Agri.Chemistry - Researches

Past research works

Undergraduate Researches in 2024 (31st Batch)

Research Title: Synthesis of different organic hydrogels and their effect on soil properties and seed germination

Candidate: K. Vipuna

Specialization: Soil Science

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: The effect of tea waste and its extract on nitrification inhibition in soil

Candidate: P. Anusija

Specialization: Soil Science

Supervisor: Prof. (Mrs). N. Gnanavelrajah & Mrs. A. Kirisan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Formulation of organic medium for Spirulina cultivation and its application as foliar spray with seaweed

Candidate: A. Arulanantham

Specialization: Soil Science

Supervisor: Mrs. A. Kirisan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Nostoc grown in parboiled effluent as abio fertilizer in combination with inorganic fertilizers for the paddy cultivation in dry zone

Candidate: A.M.C. Jayawardana

Specialization: Soil Science

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: S. Sivaneson

Place of Research (Institute): Department of Civil Engineering, Faculty of Engineering & Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Production of Urea intercalated biochar using agricultural waste and evaluation of its potential benefits

Candidate: A. Murugesapillai

Specialization: Soil Science

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Soil testing and mapping- A tool for sustainable fariming in Northern Sri Lanka

Candidate: T. Rajankailaiyangiri

Specialization: Soil Science

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Nostoc cultivated in dairy effluent as a nutrient source in hydroponics lettuce

Candidate: R. Rushanthi

Specialization: Soil Science

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Prof. Renuka Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies (NIFS), Kandy

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Research Title: Suppression of Nitrification by Karanja powder and it's extracts

Candidate: T. Sivaskaran

Specialization: Soil Science

Supervisor: Prof. (Mrs). N. Gnanavelrajah & Mrs. A. Kirisan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Formulate liquid organic fertilizers and assess their potential on growth and yield of Brinjal

Candidate: A.F.I. Ahamed

Specialization: Soil science

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Regional Agriculture Research and Development Centre, Irranamadu, Kilinochchi

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Research Title: Spatial distribution of total organic carbon and microbial activity in selected farmer fields in Northern region of Sri Lanka

Candidate: A.H.A.R. Jayasumana

Specialization: Soil Science

Supervisor: Prof. (Mrs). N. Gnanavelrajah & Mrs. A. Kirisan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Co- digestion of organic waste to improve biogas production and organic fertilizer quality

Candidate: P. Vigitharan

Specialization: Soil Science

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr. B. Ketheesan

Place of Research (Institute): Department of Civil Engineering, Faculty of Engineering & Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Evaluation of organic pretreatments and dehydration technologies for green Embul banana (Musa spp.)

Candidate: A.H.A.K. Adhikari

Specialization: Food Science

Internal Supervisor: Prof. S. Vasantharuba

External Supervisor: Mrs. A.B.G.C.J. De Silva

Place of Research (Institute): Industrial Technology Institute (ITI), Colombo

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Research Title: Development of Averrhoa bilimbi juice and evaluation of nutritional properties

Candidate: Mohammed Jazeel Fathima Nishda Jawshen

Specialization: Food Science

Internal Supervisor: Prof. S. Vasantharuba

External Supervisor: M.B. Fathima Jemziya

Place of Research (Institute): Department of Biosystems Technology, South Eastern University of Sri Lanaka

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Research Title: Developing a green approach for the extraction of polyphenol from spent tea

Candidate: K. Thadchajini

Specialization: Food Science

Supervisor: Dr. (Mrs). S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Nutritional study on developed Ash gourd (Benincasa hispida) jam added with Beetroot (Beta vulgaris) extract incorporated with Cinnamon (Cinnamomum verum) flavour

Candidate: J. Ketharany

Specialization: Food Science

Supervisor: Dr.(Ms). R. Sarathadevi

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Development of food products from pentadesma butyracea seed cake and their quality, nutrition, bioactivity and shelf life studies

Candidate: R. Rashmi Nishadhi Kumari

Specialization: Food Science

Internal Supervisor: Prof. S. Vasantharuba

Extneral Supervisor: Dr. (Mrs). S. Chelvendran

Place of Research (Institute): Industrial Technology Institute (ITI), Colombo

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Research Title: Effect of different drying methods based on concentration of bioactive compounds present in orange (Citrus sinensis) peel

Candidate: Abuthalib Fahmidha Nahaar

Specialization: Food Science

Supervisor: Dr. (Ms). R. Sarathadevi

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Effects of pretreatments and drying techniques on the quality of dehydrated tomato

Candidate: P. Jemika

Specialization: Food Science

Supervisor: Dr. (Mrs). S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Development of antioxidant -rich bioplastic by using starch, banana Peel and polyphenols from spent tea waste

Candidate: P. Rudhra

Specialization: Food Science

Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Impact of different drying methods on physical and nutritional characteristics of sweet potato, carrot and moringa leaf powder and the production of an extruded product

Candidate: M. Suwathy

Specialization: Food Science

Supervisor: Dr. (Ms). R. Sarathadevi

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Development and characterization of biodegradable composites from rice husk and parboiled rice effluent

Candidate: K. Nethni Tharushika

Specialization: Food Science

Supervisor: Dr. (Mrs). S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Feasibility of developing biodegradable cup from tea factory waste coated with pectin extract derived from citrus peel

Candidate: S. Vithushaan

Specialization: Food Science

Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Formulation and characterization of herbal tea from Tanner's Cassia (Cassia auriculata) flower powder and Ginger (Zingiber Officinal) powder

Candidate: Mohamed Rafeek Mifry

Specialization: Food Science

Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture.

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Research Title: Effect of black seed extract, commercial black seed extract and bee honey treatment on the inhibition of browning on fresh-cut pears and jackfruit

Candidate: Mohamed Zarook Fathima Shaila

Specialization: Food Science

Internal Supervisor: Prof. S. Vasantharuba

External Supervisor: Kasun Attanayake

Place of Research (Institute): Spectrum Institute of Science and Technology

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Research Title: Development of food products from pentadesma butyracea fruit pulp and their quality,nutrition, bioactivity and shelf life studies

Candidate: W.M. Dulmi Dilsara Wasala

Specialization: Food Science

Internal Supervisor: Prof. S. Vasantharuba

External Supervisor: Dr. (Mrs). S. Chelvendran

Place of Research (Institute): Industrial Technology Institute (ITI), Colombo

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Undergraduate Researches in 2023 (30th Batch)

Research Title: Formulation of a liquid fertilizer from Chlorella sp. grown in dairy industry effluent and its potential as a complementary fertilizer

Candidate: A.H.A.T.E. De Silva

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Effect of different levels of compost on growth and yield of onion.

Candidate: P.B.B.P. De Silva

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr. T. Karunainadan

Place of Research (Institute): Field Crops Research and Development Institute, Mahailuppallama.

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Research Title: Effect of NPK inoculum in combination with fertilizers on growth and yield of okra (Abelmoschus esculentus)

Candidate: R. T. Dharshana

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Mrs. K. K. Nawaratna

Place of Research (Institute): Horticultural Crop Research and Development Institute.

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Research Title: The potential of Nostoc sp. grown in the parboiled effluent as a biofertilizer for paddy cultivation.

Candidate: J.M.H.S. Jayasekara

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Prof. R. Rathnayaka

Place of Research (Institute): National Institute of Fundamental Studies.

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Research Title: Effect of Vermicompost and Vermiwash in combination with inorganic fertilizers on growth performance of Capsicum frutensis and Amaranthus polygamous.

Candidate: W. M. Menaka

Specialization: Soil

Internla Supervisor: Prof. (Mrs). N. Gnanavelrajah

Externla Supervisor: Mr. A. Amirthalojanan

Place of Research (Institute): Regional Agricultural and Research Development Center.

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Research Title: Formulation of a low-cost organic medium for the cultivation of spirulina platensis

Candidate: S. Thadshadini

Specialization: Soil

Supervisor: Mrs. A. Kirisan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Assessing the requirement of Gypsum for increasing the economic yield of Groundnut (Arachis hypogaea) in Reddish Broun Earth in Sri Lanka

Candidate: W. M.W. G.D.K. Wasala

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr. T. Karunainathan

Place of Research (Institute): Field Crops Research Development Institute, Mahailluppallama

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Research Title: Assessment of heavy metal availability in coconut growing soils under different fertilizer practices

Candidate: K. M. S. M. S. Thamel

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr. D. M. P. D. Dissanayake

Place of Research (Institute): Coconut Research Institute, Lunuwila.

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Research Title: Evaluating the potential of combined application of bio fertilizers, and vermicompost in chili (Capsicum annum) cultivation

Candidate: S. Rajeepa

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Mr. A. Amirthalojanan

Place of Research (Institute): Regional Agricultural and Research Development Centre, Irranamadu, Kilinochchi.

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Research Title: Effect of Sodium Chloride or Biochar on Nitrogen Availability and Leaching Losses in Coconut Growing Soil

Candidate: H.S. Dangalla

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr. D. M. P. D. Dissanayake

Place of Research (Institute): Cocount Research Institute, Lunuwila.

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Research Title: Influence of the economic crisis on land fertility management practices, A case study in Puloly Agricultural Instructor Division

Candidate: S. Sivani

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Agricultural Instructor Division, Puloly.

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Research Title: Chemical evaluation, bio activity studies and product development of Pentadesma butyracea (African butter tree)

Candidate: N. Abilashini

Specialization: Food

Internal Supervisor: Prof. S. Vasantharuba

External Supervisor: Dr. Selvaluxmy

Place of Research (Institute): Industrial Technology Institute. (ITI), Colombo.

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Research Title: Study on the changes of microbial and nutritional quality of some selected vegetables at retail outlets in Anuradhapura

Candidate: R. Anjaly

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

External Supervisor: Dr.(Mrs).R.M. R. N. K. Rathnayake

Place of Research (Institute): Institute of Post- Harvest Technology (IPHT), Anuradhapura.

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Research Title: Chemical, bioactivity evaluation and cracker development of Cissus quadrangularis (Adamant creeper)

Candidate: T. Bawadharani

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

External Supervisor: Dr. Selvaluxmy

Place of Research (Institute): Industrial Technology Institute, Colombo and Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Prevalence of Campylobacter spp in poultry meat samples in Puttalam district of Sri Lanka

Candidate: D.P.R.M.Diyalagoda

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

External Supervisor: Dr. Sujatha Pathirage

Place of Research (Institute): Medical Research Institute, Colombo.

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Research Title: Assessment of low-calorie food products incorporated with stevia dry powder

Candidate: Niroshika Thangarajah

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

External Supervisor: Prof. J. M. N. Marikkar

Place of Research (Institute): National Institute of Fundamental Studies, Kandy.

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Research Title: Formulation and quality evaluation of dried blue butterfly pea flower (Clitoria ternatea) powder incorporated biscuit with peanut butter

Candidate: A. Niruja

Specialization: Food

Supervisor: Prof .S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development of protein rich ready to serve drink by incorporating whey in wood apple (Limonia acidissima)

Candidate: P.Majuri

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Comparative study of cassava starch based adhesive and development of disposable cups

Candidate: R. Niroja

Specialization: Food

Supervisor: Prof. S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Enhancement of iron bioavailability in some traditional rice (Oryza sativa) varieties in Sri Lanka through the fermentation process

Candidate: H.N.F. Risla

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Dr. (Mrs). H. M. Theja Herath

Place of Research (Institute): Industrial Technonolgy Institute, Colombo.

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Research Title: Development of passion fruit peel (Passiflora edulis) flour incorporated kodo millet (Paspalum scrobiculatum) noodles and evaluation of its quality characters

Candidate: K. Sharukka

Specialization: Food

Supervisor: Prof. S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Bioactivity studies of Allium sativam, Piper nigrum and Trigonella foenum-graecum

Candidate: G. G. S. Sithumini

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Prof. U. L. B. Jayasinghe

Place of Research (Institute): National Institute of Fundamental Studies (NIFS), Kandy

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Research Title: Effect of drying methods on nutritional and physicochemical qualities and drying kinetics of purple yam (Dioscorea alata)

Candidate: U. Thenugaani

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Dr. N. Kannan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Development of banana pseudostem incorporated nelli (Phyllanthus emblica) ready to serve drink

Candidate: Angalin Ashani Jeyarajasingam

Specialization: Food

Supervisor: Prof. S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Effect of different number of holes with different packaging materials under different storage condition on ash plantain (Musa ABB)

Candidate: K. Siyamini

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Dr. N. Kannan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Exploring the dying behaviour of paddy grain under different conditions: open sun drying and a passive solar dryer with spirally arranged sliding surface

Candidate: M. A. M. Sharaf

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Dr. N. Kannan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title:Development of pumpkin powder incorporated gluten free cupcakes and evaluation of its quality characters

Candidate: H.A.S.H. Fonseka

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Mr. Chandana Perera

Place of Research (Institute): Finagle Lanka (Pvt) Ltd, Ja- Ela.

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Undergraduate Researches in 2022 (29th Batch)

Research Title: Potential of Chlorella sp grown in dairy effluent as a complementary liquid fertilizer on growth and yield of tomato (Solanum lycopersicum)

Candidate: R. Mahajini

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, and Department of Civil Engineering , Faculty of Engineering, University of Jaffna

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Research Title: Formulation of low cost medium for the cultivation of Spirulina

Candidate: S. Hemamalini

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Cynobacteria grown in low-cost media as organic fertilizer

Candidate: Piyoni Sadunika Ruwanpathirana

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Prof. Renuka Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy

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Research Title: Improving the quality of compost produced at a commercial composting facility in Jaffna district

Candidate: P. Subanki

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna and Karainagar Multi Co-operative Society

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Research Title: Performance of different nutrient sources and their combinations on growth and yield of onion (Allium cepa L.)

Candidate: Ms. R. Anushalini

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, and Department of Civil Engineering , Faculty of Engineering, University of Jaffna

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Research Title: Assess the quality of compost produced by commercial producers and potential production of compost in Kilinochchi district

Candidate: Ms.P. Madusha

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Production and Assessment of whey incorporated wood apple ready to serve drink

Candidate: Mr. S. Thanushkumar

Specialization: Food

Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Junk food consumpion behavior of university students: with special reference of students from science based faculties in University of Jaffna

Candidate: M.R. Saheeka Sireen

Specialization: Food

Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Study on fat content and fatty acid profile of selected junk foods commercially available in Kilinochchi district, Sri Lanka.

Candidate: T. Tharchega

Specialization: Food

Internal Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development of low-calorie wax apple (Syzygium samarangense) jam using natural sweetener stevia

Candidate: Mizra Sharazy

Specialization: Food

Supervisor: Prof. S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development of natural food colorant from pumpkin (Cucurbita maxima) and it’s application on food products

Candidate: M. Pavadharani

Specialization: Food

Internal Supervisor: Prof. S. Vasantharuba

External Supervisor: S.M.A.C.U. Senarathna

Place of Research (Institute): Assistant Director of Agriculture (Research) Food Research Unit, Kandy

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Research Title: Production of noodles from composite mixture of local yam flour (Diascoreaalata) with cowpea sprouts flour (Vignaunguiculata) and evaluation of it's sensory characters, proximate composition and cooking quality

Candidate: A.D. Senuri Gayara Ambagala

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development and quality evaluation of fruit juice prepared by papaya leaf extract incorporated watermelon

Candidate: T. M. Kasuni Erandika

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Assessment of nutritional knowledge and awareness on food labels among the students of faculty of agriculture, university of Jaffna

Candidate: M.I. Noordeen Zahra

Specialization: Food

Supervisor: Prof .S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Effect of acid and alkaline pretreatment on the microbial fermentation process for bioethanol production from microalgae (Chlorella spp)

Candidate: W.W. M. Nadeesha Dilrukshi Jayawardhane

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

External Supervisor: Dr. B. Ketheesan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna and Department of Civil Engineering, Faculty of Engineering, University of Jaffna

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Research Title: Prevalence and factors associated with malnutrition among secondary school students in Passara zone

Candidate: M.T. Fathima Mafraha

Specialization: Food

Internal Supervisor: Prof .S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Effect of packaging materials on the bio chemical & microbiological properties of rice stored at different conditions

Candidate: Sahana Jeyarasa

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Pof. R. Kapilan

Place of Research (Institute): Department of Botony, Faculty of Science, University of Jaffna

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Research Title: Effect of cabinet drying on nutritional quality and drying kinetics of brinjal (Solanum melongena l) & bitter gourd (Momordica charantia)

Candidate: P.Vaishnavy

Specialization: Food

Internal Supervisor: Prof. S.Vasantharuba

External Supervisor: Dr. N. Kannan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Undergraduate Researches in 2021 (28th Batch)

Research Title: Production of innovative compost using underutilized residues and other wastes with spirulina and panchagavya

Candidate: M.L.A.A. Udarinee

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Possible usage of ipomea aquatica to phytoremediate nitrate contamination in well water

Candidate: Harina Tharmarasa

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Effect of compost prepared with combination of nutrient sources on growth and yield of Tomato

Candidate: W.G.C.M. Wijekoon

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Assess the potential of Organic Sources cattle manure and spirulina on growth and yield of Okra (Abelmoschus Esculentus L)"

Candidate: K.H. Rumana

Specialization: Soil

Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Potential of chlorella sp. grown in parboiled effluent in combination with organic fertilizers on growth and yield of brinjal (Solanum melonjina)

Candidate: K.H. G. L. Ruwangi

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr.Balachandran Ketheesan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Effect of growing lemon grass and gliricidia on soil properties

Candidate: Shanuja Kalirasa

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Formulate liquid organic fertilizers and assess their potential on growth and yield of green chilli

Candidate: R. Priyatharshan

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

External Supervisor: Dr.S. J. Arasakesari

Place of Research (Institute): Agriculture Research Station, Thirunelvely.

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Research Title: Production of quality compost using locally available resources

Candidate: Thiruchselvam Daniel

Specialization: Soil

Internal Supervisor: Prof. (Mrs). N. Gnanavelrajah

Place of Research (Institute): Integrated farm and training center, Faculty of Agriculture, University of Jaffna

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Research Title: Production and quality evaluation of moringa oleifera leaf powder incorporated chips

Candidate: Thiriyambaha Sritharan

Specialization: Food

Internal Supervisor: Dr.S. Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Analysis of fat content and fatty acid profile of selected bakery products available in Jaffna district

Candidate: Thivya Sriram

Specialization: Food

Internal Supervisor: Mrs. S. Sivakanthan

Place of Research (Institute):Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Assessment of quality of branded and non branded edible oils available in Jaffna district

Candidate: Vithusha Baskaran

Specialization: Food

Internal Supervisor: Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Production and quality evaluation of jack fruit seed flour and development of fried snacks incorporated with produced flour

Candidate: P.Y.P. Senavirathna

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Formulation of palmyrah jaggery by incorporating cassia auriculata to use as a natural sweetener for diabetic patients

Candidate: Abinaya Kannathas

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Unit of Siddha medicine, University of Jaffna

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Research Title: Utilization and evaluation of coconut testa flour for the development of staple foods in Srilanka

Candidate: Shegu Abdul Fareed Rushdha

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Prof. J. M.N. Marikka

Place of Research (Institute): National Institute of Fundamental Studies, Kandy

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Research Title: Processing and preservation of aloevera gel

Candidate: Ekanayake Shashi Prabha Tikiri Kumari

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Dr.S.A.S Jayawardana & Mr.Samantha Madage

Place of Research (Institute): Food Technology Section, Industrial Technology Institute, Malabe

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Research Title: Development of pumpkin powder incorporated instant noodles and evaluation of its quality characteristics

Candidate: Dilani Madara Edirisinghe

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Production and evaluation of sauces from Ambul and Puwalu (Musa spp) variety green banana flours

Candidate: G.M Sanduni Nuwanthika Galagedara

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development and quality Evaluation of Herbal biscuit prepared from coriander, cinnamon, curry leaves, ginder and liquorice

Candidate: R. P. Dasun Nimesha Nayanajith

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development of composite biscuits incorporated with pineapple peel powder and evaluation of it's quality characters

Candidate: Nasardeen Fathima Naseeha

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Formulation and analysis of banana pseudostem based chips

Candidate: Chandran Aruna Christella

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Production of biodegradable packaging material incorporated with micro crystalline cellulose extracted from peanut shell and its effect on physicochemical properties and shelf life of Guava fruits

Candidate: Mohamed Faiz Fathima Husna

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Undergraduate Researches in 2020 (27th Batch)

Research Title: Evaluation of effect of passion fruit (Passiflora edulis) leaf extract on oxidative stability of palm oil during heating

Candidate: I.R.Nuwanthi Dilhara Jayaskara

Specialization: Food

Supervisor: Mrs.S.Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Comparative study on stability of coconut oil, sunflower oil and palm oil during deep frying

Candidate: Sharanke Kanagalingam

Specialization: Food

Supervisor: Mrs.S.Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Quality analysis of selected drinking water samples commercially available in Jaffna district

Candidate: Nitharshana Rajasegaram

Specialization: Food

Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Evaluation of nutritional composition and antioxidant properties of selected seaweeds available in Northern region of Sri Lanka and their potential application in value added food product

Candidate: Selvanogelin Selvaraja

Specialization: Food

Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development of an artificial ripening protocol for mango (Mangifera indica L.) cultivated variety 'Karuthakolomban' available in Anuradhapura district, Sri Lanka

Candidate: K.A.Nimalika Sewwandi

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Dr (Mrs).Nilanthi wijewardana

Place of Research (Institute): National Institute of post harvest and management, Jeyanthi Mawatha, Anuradapura

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Research Title: Preparation of tomato sauce from tomato powder produced from microwave vacuum and conventional drying methods

Candidate: K.D.B.V Wijayasinghe

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Miss.Deepika Hettiarachchi

Place of Research (Institute): Food Research Unit, Horticultural Crop Research and Development Institute, Department of Agriculture, Gannoruwa & Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Enhancement of lipid content in Chlorella Sp. by providing stress conditions during cultivation

Candidate: R.A.Imal Sandaru Mihiraj

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba & Mrs.S.Sivakanthan

External Supervisor: Dr.B.Ketheesan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna & Department of Civil Engineering, Faculty of Engineering, University of Jaffna

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Research Title: Evaluation of proximate composition and antioxidant properties of 'Pirandai'

(Cissus quadrangularis) and its potential application in value added food product

Candidate: Shakana Karunaharan

Specialization: Food

Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture,

University of Jaffna

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Research Title: Production of Palmyrah (Borassus flabellifer L.) fruit pulp powder using spray drying technique

Candidate: K.M.Ashan Madhusanka

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Dr.Anuluxshy

Place of Research (Institute): Palmyrah Research Institute, Jaffna

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Research Title: Potential to grow Spirulina and Azolla in different wastewater and their application in combination with different underutilized organic nutrient sources in selected crops

Candidate: Kasthuri Jeyakumar

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna, Kilinochchi

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Research Title: Effect of three different nutrient management systems on growth and yield of Okra (Abelmoschus esculentus

Candidate: Nissanka Arachchige Dinithi Dinelka Nissanka

Specialization: Soil

Internal Supervisor: Prof. N. Gananavelrajah

External Supervisor: Dr.Priynga S. Dissanayke

Place of Research (Institute): Sustainable Agriculture Research and Development Center, Markandura, Gonawila

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Research Title: Study the farmer profile and land management practices on selected land uses in Alawwa Divisional Secrerariat Division

Candidate: M.R.Kalinga Dilshan Chandrasena

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Alawwa Divisional Secretariat Division

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Research Title: Formulation of organic liquid fertilizers and their effects on germination of selected seeds and growth and yield of Chilli (Capsicum frutescens L.)

Candidate: Kalaivani Sivagnanasegaram

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna, Kilinochchi

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Research Title: Isolation and identification of efficient phosphate solubilizing microorganism from soil and its effect on growth and yield of Zea mays

Candidate: Koswaththa Ralalage Hareendramali Deepika

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr.Priynga S. Dissanayke

Place of Research (Institute): Sustainable Agriculture Research and Development Center, Markandura, Gonawila

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Research Title: Exploring farmers' knowledge, perception and management practices to improve soil quality: A case study

Candidate: A.G.Anura Piyasena

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Ratnapura, Kuruwita

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Research Title: Spatial variability of soil carbon and its relationships with other soil parameters in paddy soils of Trincomalee district, Sri Lanka

Candidate: D.M.B Amila Chathuranga

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr.R.R.Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies (NIFS) Kandy - Research Location Trincomalee District

Undergraduate Researches in 2019 (26th Batch)

Research Title: Performance of plant growth promoting rhizobacteria on cluster onion (Allium cepa L.) under field condition

Candidate: Ms. Neilagini Perampalam

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. S. J. Arasakesary

Place of Research (Institute): Regional Agriculture Research and Development Centre, Department of Agriculture, Kilinochchi. Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Production of quality compost at Jaffna Municipal council recycling house

Candidate: Mr.S.Sribavan

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Jaffna Municipal council recycling house, Kakathivu & Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Seaweed as the food source: Study of nutritional composition, antioxidant and antimicrobial activities of selected seaweeds

Candidate: Ms.M.Nimalini

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Prof. R. Kapilan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna & Department of Botany, Faculty of Science, University of Jaffna

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Research Title: Evaluation of nutritional knowledge and food consumption pattern among students of Faculty of Agriculture, University of Jaffna

Candidate: Ms.K.H.Kushni Kalpika Rangani

Specialization: Food

Supervisors: Dr. S. Vasantharuba & Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Development of sugar free cinnamon biscuit and evaluation of its quality characteristics

Candidate: Ms.Nirmala Hansani Dharmasiri

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Mrs. Thushari Liyanage

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna. Central Research Station, Department of Export Agriculture. Matale

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Research Title: Studies on oxidative stability of coconut oil and sesame oil blends and efficacy of banana peel extract on their stability

Candidate: Ms.B.Nivethini

Specialization: Food

Supervisors: Dr. S. Vasantharuba & Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Foliar application of different organic sources of nutrients on growth and yield of tomato

Candidate: Ms.R.Thamilini

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. S. J. Arasakesary

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Research Title: Evaluation of antioxidant properties of banana blossom and its application in value added food product

Candidate: Ms.Y.Theepana

Specialization: Food

Supervisor: Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

Undergraduate Researches in 2018 (25th Batch)

Research Title: Formulation of a low cost medium for cyanobacteria and assessment of their potential use as bio fertilizer in paddy

Candidate: Ms.B.Priyatharshini

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Evaluation of antioxidant potential of Cassia auriculata L. flower dried using different methods and its potential application in value added food products

Candidate: Ms.S.Kajani

Specialization: Food

Supervisors: Dr. S. Vasantharuba & Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Estimation of carbon sequestration potential of palmyrah land use in Jaffna district

Candidate: Ms.S.Theepika

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Effect of star fruit (Averrhoa carambola) extract on oxidative stability of sesame (Sesamum indicum) oil

Candidate: Ms.J.C.Pereira

Specialization: Food

Supervisors: Dr. S. Vasantharuba & Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Characterization of potentially active probiotic strains isolated from milk and milk product for use in the production of probiotic ice cream

Candidate: Ms.V.Janany

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Prof. R. Kapilan

Place of Research (Institute): Department of Botany, Faculty of Science, University of Jaffna.

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Research Title: Potential to use cyanobacterial strains as bio fertilizer

Candidate: Ms.S.Nirusha

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Screening for anti-diabetic properties and photochemicals in Hemidesmus indicus

Candidate: Ms.M.N.F.Amriya

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Dr. R. Liyanage

Place of Research (Institute): National Institute of Fundamental Studies, Hanthana, Kandy, Sri Lanka

Undergraduate Researches in 2017 (24th Batch)

Research Title: Production of quality compost using locally available resources

Candidate: Ms.A.Sivachchanthrika

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Single cell protein production from papaw and banana fruit juices using natural yeast

Candidate: Ms. R.Sarathadevi

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Prof. R. Kapilan

Place of Research (Institute): Department of Botany, Faculty of Science, University of Jaffna.

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Research Title: Potential to use waste water as growing medium for cyanobacteria during their mass culture

Candidate: Mr.A.Aasir

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: A study on potential use of cyanobacteria isolated from fresh water bodies of Sri Lanka in food industry and agriculture

Candidate: Ms.A.Ramziya

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Systematic approach to site specific fertilizer recommendation using sugar graze (Sophum bicolor (L) as test crop

Candidate: Ms.S.Anusha

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. Priyantha Weerasinghe

Place of Research (Institute): Horticultural Crop Research & Development Institute, Kandy.

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Research Title: Effects of different processing and storage methods in antioxidant properties of three leafy vegetables

Candidate: Ms.B.Rohini

Specialization: Food

Supervisor: Dr. S. Vasantharuba & Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Systematic approach to site specific fertilizer recommendation in farm land of Faculty of Agriculture in Kilinochchi

Candidate: Ms.V.Mahilini

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. Priyantha Weerasinghe

Place of Research (Institute): Horticultural Crop Research & Development Institute, Kandy.

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Research Title: Effects of different cooking methods on the antioxidant properties of selected vegetables cultivated in Jaffna District

Candidate: Ms.S.Thanuja

Specialization: Food

Supervisors: Dr. S. Vasantharuba & Mrs. S. Sivakanthan

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Production of bio ethanol, citric acid, pectin and essential oil from the sour orange juice, peel and waste

Candidate: Mr.Y.Sukanthan

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Prof. R. Kapilan

Place of Research (Institute): Department of Botany, Faculty of Science, University of Jaffna.

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Research Title: Studies on shelf life improvement of boiled and dried palmyrah tuber (Pulukodiyal) with preservatives and packaging materials

Candidate: Ms.S.Thusintha

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Miss. Robika Kailayalingam

Place of Research (Institute): Palmyrah Research Institute, Jaffna.

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Research Title: Quality analysis of the edible coconut and sesame oil available in the Jaffna district

Candidate: Ms.G.Moganatharsa

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Dr. S. Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna, Sri Lanka.

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Research Title: Palmyrah crude sugar preparation using electric oil jacket cooker and its industrial application

Candidate: Ms.U.Kobiga

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Miss. Diluckmini Bernard

Place of Research (Institute): Palmyrah Research Institute

Undergraduate Researches in 2016 (23th Batch)

Research Title: Use of denitrifying bacteria to remediate nitrate pollution from ground water

Candidate: Ms.K.Thayalini

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Production of Naranginase by solid state fermentation from Aspergillus flavus isolated from citrus fruit

Candidate: Ms.S.Keerthini

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Prof. R. Kapilan

Place of Research (Institute): Department of Botany, Faculty of Science, University of Jaffna.

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Research Title: Effect of application of foliar applied amino acid formulations on tea crop productivity special reference to growth parameters and plant nutrient status

Candidate: Ms.G.Thusitha

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. G. P. Gunaratna

Place of Research (Institute): Tea Research Institute

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Research Title: Effect of different agricultural waste material on induction of hydrolytic enzymes

Candidate: Ms.J.Kanchana

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Preliminary studies on extraction of alginates and proximate compositive of brown sea weeds available in coastal region of Jaffna peninsula

Candidate: Ms.S.Thirsigayini

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Mr. A. C. Thavaranjit

Place of Research (Institute): Department of Botany, Faculty of Science, University of Jaffna.

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Research Title: Production of Naranginase by solid state fermentation from Rhizophus stolonifer isolated from palmyrah fruit pulp

Candidate: Ms.K.Sinthuja

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Prof. R. Kapilan

Place of Research (Institute): Department of Botany, Faculty of Science, University of Jaffna.

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Research Title: Kinetic properties of bromelain and its purification from pine apple

Candidate: Ms.K.Sangeertha

Specialization: Food

Internal Supervisor: Dr. S. Balakumar

External Supervisor: Prof. (Ms.) V. Arasaratnam

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Possible usage of Ipomoea aquatica and Alternanthera sessilisto phytoremediate nitrate-nitrogen in well water

Candidate: Ms.T.Sasikala

Specialization: Soil

Supervisor: Prof. N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna.

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Research Title: Evaluation of nutritional and sensory qualities and glycaemic index of whole multigrain breads

Candidate: Ms.Ravitha

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Dr. S. Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

Undergraduate Researches in 2015 (22nd Batch)

Research Title: Enzymatic interesterification of virgin cocnunt (Cocos nucifera) oil and sesame (Sesamum indicum) oil using microbial lipases

Candidate: Ms.K.Thiyana

Specialization: Food

Supervisor: Prof. Terrence Madhujith

Place of Research (Institute): Faculty of Agriculture, University of Peredeniya.

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Research Title: Development and evaluation of healthy multi grain wheat free bread from locally available flours

Candidate: Ms.K.Rajeetha

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Dr. S. Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Preparation of cookies incorporated with palmyrah resources legumes and cereals and evaluation of their quality charcteristics

Candidate: Ms.G.Jasintha

Specialization: Food

Internal Supervisor: Dr. S. Vasantharuba

External Supervisor: Miss. Sangheetha Sriskandarajah

Place of Research (Institute): Palmyrah Research Institute

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Research Title: Carbon stocks and carbon fractions in paddy field of Northern province of Sri Lanka

Candidate: Ms.Y.Nijanthini

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Biochar addition on carbon sequestration and availability of micronutrients in sandy Regosol

Candidate: Ms.S.Logini

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Dr. R. Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Different forms of palmyrah coir dust to improve soil quality

Candidate: Ms.G.Tharani

Specialization: Soil

Internal Supervisor: Prof. N. Gnanavelrajah

External Supervisor: Ms. A. M. Nilushiny

Place of Research (Institute): Palmyrah Research Institute

Undergraduate Researches in 2014 ( Batch)

Research Title: Determination of metanil yellow and rhodamine B in chilli and turmeric powder samples available in Jaffna peninsula

Candidate: Mr.T.Jaathavan

Specialization: Food

Supervisor: Dr.S.Balakumar

Co-Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Effect of Different processing method on antioxidant and total phenol content of selected vegetable

Candidate: Ms. S. Mythini

Specialization: Food

Supervisor: Dr.S.Balakumar

Co-Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Effects of different locally charred biomass on soil properties and growth and yield of Solanum melongina L in sandy regosol soil of Jaffna peninsula, Sri Lanka

Candidate: Mr.S.Senthuran

Specialization: Soil

Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Assessment of selected heavy metals and nutrient cations in different soils and their interactions

Candidate: Ms.V.Sowthini

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.Renuka Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Biodegradation of Eichhornia crassipes toward biofuel production

Candidate: Ms.T.Abhiramy

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.Renuka Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Effect of different processing methods on resistant starch contents of selected tubers

Candidate: Mr.Y.Bavaneethan

Specialization: Food

Supervisor: Dr.S.Balakumar

Co- Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Faculty of Medicine, University of Jaffna & Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Awareness and use of nutrition labels on food packages among consumers in puthukudiyiruppu D.S division, Mullaitivu

Candidate: Ms.N.Senthoori

Specialization: Food

Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

Undergraduate Researches in 2013 (20th Batch)

Research Title: Studies on preparation of composite biscuits in corporate with malted flour blends and evaluation of its quality characteristics

Candidate: Ms.S.Banusha

Specialization: Food

Supervisor: Dr.S.Vasantharuba

Place of Research (Institute): Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Bio degradation of kitchen waste by using cellulolytic microorganisms

Candidate: Ms.K.Mathanika

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.Renuka Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Carbon fractions and nutrient status of soils in Iranamadu irrigation command area, Kilinochchi

Candidate: Mr.S.Raguraj

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.RenukaRatnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Characterization of selected soils under the upstream of iranamadu irrigation command area in Sri Lanka

Candidate: Ms. S.Sharuby

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.S.Suthakar

Place of Research (Institute): Regional Agriculture Research and Development Centre, Department of Agriculture, Kilinochchi. & Faculty of Agriculture, University of Jaffna

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Research Title: Optimization of sponge cake formulation with palmyrah food resources and evaluation of its quality characteristics

Candidate: Ms.K.Kasthani

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Sangheetha Sriskandarajah

Place of Research (Institute): Food Technology Laboratory, Palmyrah Research Institute, Kaithadi & Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

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Research Title: Potential of growing selected leafy vegetables using in kitchen hydroponic system

Candidate: Ms.S.Sinthuja

Specialization: Soil

Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Characterization of selected soils of downstream of Iranamadu irrigation command area of Kilinochchi

Candidate: Ms.K.Thatchayini

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.S.Suthakar

Place of Research (Institute): Regional Agriculture Research and Development Centre, Department of Agriculture, Kilinochchi. & Faculty of Agriculture, University of Jaffna

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Research Title: Formulation of instant soup mix powder using unboiled palmyrah ( Borassus flabellifer) of tuber flour and locally available vegetables

Candidate: Ms.N.Niththiya

Specialization: Food

Internal Supervisor: Dr.S.Vasantharuba

External Supervisor: Mrs.S.Mahilrajan

Place of Research (Institute): Palmyrah Research Institute, Kaithadi & Department of Agricultural Chemistry, Faculty of Agriculture, University of Jaffna

Undergraduate Researches in 2012 (19th Batch)

Research Title: Effect of different charred biomass addition on soil properties on selected soil of Jaffna Penisula

Candidate: Ms.P.Priyatharshny

Specialization: Soil

Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Effect three types of charred biomass on yield of Capsicum annum and important soil properties

Candidate: Ms. A.M. Nilushiny

Specialization: Soil

Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Resistant starch content of commonly used selected foods in Jaffna penisula

Candidate: Ms.S.Vinthuja

Specialization: Food

Supervisor: Dr.S.Balakumar

Co-Supervisor: Prof. (Ms.) V. Arasaratnam

Place of Research (Institute): Faculty of Medicine, University of Jaffna

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Research Title: Antioxidant and total phenol contents of commonly used selected fruits and vegetables

Candidate: Ms. K.Karthiga

Specialization: Food

Supervisor: Dr.S.Balakumar

Co-Supervisor: Prof. (Ms.) V. Arasaratnam

Place of Research (Institute): Faculty of Medicine, University of Jaffna

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Research Title: Available nutrients in soils under different agricultural land-uses and their links to carbon fractions and soil properties

Candidate: Mr. T. Roshanthan

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr.Renuka Ratnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

Undergraduate Researches in 2011 (18th Batch)

Research Title: Nutritional analysis of different brands of soy meat (Textured Vegetable Protein or Textured soy protein) available in Jaffna peninsula

Candidate: Mr. J. Mervin Roshan Roche

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Carbon stock assessment of various land uses in Jaffna district

Candidate: Mr. T. Kugendran

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Dr. R. Rathnayake

Place of Research (Institute): National Institute of Fundamental Studies, Kandy, Sri Lanka

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Research Title: Selection of starch hydrolyzing enzyme by the fungus strain isolated from contaminated raw & dried Palmyrah root (Odiyal)

Candidate: Ms. M. Desitha

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute) : Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Possibilities of alternate sources of nutrient foe crops in Jaffna district

Candidate: Mr. S. Shayanthan

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

External Supervisor: Prof.Ms.R.M.C.P.Rajapaksha

Place of Research (Institute): Department of Soil science, Faculty of Agriculture, University of Peradeniya.

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Research Title: Characterization and mapping of karsts plain soil series in Jaffna peninsula

Candidate: Mr. V. Vijiraj

Specialization: Soil

Internal Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Co-Supervisor: Dr.K.Suthakar

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Effect of biochar on selected soil properties of three soil series in Jaffna peninsula and yield of Beetroot (Veta vulgaris)

Candidate: Ms. S. Ambihai

Specialization: Soil

Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Physical, chemical and microbial analysis of bottled drinking water available in Jaffna peninsula

Candidate: Mr. S. Sasikaran

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Preparation of rice bread using premix

Candidate: Ms. M. Prarthena

Specialization: Food

Supervisor: Mr.S.Ekanayake

Place of Research (Institute): Food research unit, Gannoruwa

Undergraduate Researches in 2010 (17th Batch)

Research Title: Screening of nitrogen fixing and phosphorous solubilizing bacteria to enhance growth of tomato and onion plants

Candidate: Mr. A. Alexregan

Specialization: Soil

Supervisor: Prof.Ms.R.M.C.P.Rajapaksha

Place of Research (Institute): Department of Soil science, Faculty of Agriculture, University of Peradeniya.

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Research Title: Development of a ready-to- Serve (RTS) grape drink, with local Vitis vinifera without added sugar

Candidate: Ms.J. Janani

Specialization: Food

Supervisor: Ms.Udayani Binduhewa

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Extraction and Characterization of yellow passion fruit (Passiflora edulis f. flavicarpa L ) endocarp peel pectin and its utilization as a stabilizer in ice cream

Candidate: Ms. S. Simmaky

Specialization: Food

Supervisor: Dr. (Ms).Jaanaki Gooneratne

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Potential of selected aquatic plants on phytoremediation of water treated with nitrogen and phosphorus

Candidate: Ms. S. Thulasi

Specialization: Soil

Supervisor: Dr. (Mrs.) N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

Undergraduate Researches in 2009 (16th Batch)

Research Title: Preliminary studies to improve the ethanol production for wine making

Candidate: Ms. V. Jayahare

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Some studies on the properties of unboiled & dried (odial) and boiled & dried (pulukkodial) palmyrah (Borassus flabellifera) root tubers from different areas of Jaffna peninsula

Candidate: Ms.V. Vijitha

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Chemical and Microbial analysis of ice creams sold in Jaffna municipality area

Candidate: Ms. P. Bamithra

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam & Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Effect of pre-treatments on quality of cured ginger

Candidate: Ms. N. Janani

Specialization: Food

Supervisor: Mr.S.Vasantharuba

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Different sources of nitrogen in combination with locally available nitrification inhibitors on nitrogen in soil and plant

Candidate: Ms. K. Sivasakthy

Specialization: Soil

Supervisor: Dr. N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Nitrate leaching in Vegetable growing soil amended with gliricidia in vavunia district and estimate the nitrate nitrogen in agrowells during growing season

Candidate: Ms. B. Prashanthi

Specialization: Soil

Supervisors: Ms.P.Loganathan & Dr. N. Gnanavelrajah

Place of Research (Institute): Vavuniya Campus, University of Jaffna

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Research Title: Comparative study on low cost cool chamber and ambient storage for selected vegetables

Candidate: Ms. R. Sanchika

Specialization: Food

Supervisor: Mr.S.Vasantharuba

Co-Supervisor: Mr.S.Sivakumar

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Soil adsorption, leeching, accumulation of carbofuran in three different soil series of Jaffna peninsula

Candidate: Ms. K. Thushajini

Specialization: Soil

Supervisor: Dr. N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

Undergraduate Researches in 2008 (15th Batch)

Research Title: Releasing pattern of nitrogen from chemical fertilizers and Gliricidia residue in red yellow latosol (USTOX) soils of Jaffna

Candidate: Ms. K. Thulasi

Specialization: Soil

Supervisor: Prof.Ms.R.M.C.P.Rajapaksha

Place of Research (Institute): Department of Soil science, Faculty of Agriculture, University of Peradeniya.

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Research Title: Effect of pre-treatments varieties on quality of dehydrated brinjal

Candidate: Ms. S. Yarlini

Specialization: Food

Internal Supervisor: Mr.S.Vasantharuba

External Supervisor: Mr.S.Sivakumar

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Studies on fresh and dehydrated onion's quality parameters and their changes during storage and designing and modification of onion cutter

Candidate: Mr. Y. Balakumar

Specialization: Food

Supervisor: Mr.S.Vasantharuba

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Study on correlation between phosphorous and phytate levels of some Sri Lankan rice varieties and effect of polishing and cooking on phytates

Candidate: Ms. K. Nithya

Specialization: Food

Supervisor: Mrs.H.M.Theja Herath

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Preparation of malted rice - wheat bread

Candidate: Ms. V. Subajiny

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

Undergraduate Researches in 2007 (14th Batch)

Research Title: Bacterial contamination in drinking water samples collected from some common places during dry and wet seasons

Candidate: Ms. R.Birunthai

Specialization: Food

Internal Supervisor: Prof. (Ms.) V. Arasaratnam

External Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Potential of processing palmyrah products in Kilinochchi district

Candidate: Ms.F. Jeyaseely

Specialization: Food

Supervisor: Mrs.S.Kaileswaran

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Baker's yeast cell mass production by utilizing locally available carbon and nitrogen sources

Candidate: Ms.I. Keturah

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Evaluation and comparison of physical properties, cooking and eating characteristics and nutritive qualities of some selected rice varieties in Jaffna peninsula

Candidate: Ms. B.Nirajini

Specialization: Food

Supervisor: Mr.S.Vasantharuba

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Glycemic index of commonly used selected foods in Jaffna peninsula

Candidate: Mr. P. Raguparan

Specialization: Food

Supervisor: Prof. (Ms.) V. Arasaratnam

Co-Supervisor: Dr.S.Balakumar

Place of Research (Institute): Department of Biochemistry, Faculty of Medicine, University of Jaffna

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Research Title: Phosphorous adsorption in red yellow latosolic and red yellow podsolic soils in Sri Lanka

Candidate: Mr. K. Vinobaabu

Specialization: Soil

Supervisor: Dr. (Mrs). Srimathie P. Indraratne

Place of Research (Institute): Department of Soil science, Faculty of Agriculture, University of Peradeniya

Undergraduate Researches in 2005 (13th Batch)

Research Title: Morphological, physical and chemical characterization of selected soil series in Jaffna Peninsula.

Candidate: Mr.K.Jegajeevagan

Specialization: Soil

Supervisors: Prof. Wille. D. Joshua & Mrs. T. Mikunthan

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Studies on quality changes during storage of minimally processed Ginger.

Candidate: Ms.A.Judita

Specialization: Food

Supervisor: Dr. (Mrs) M. Abeyesekere

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Effect of rice flour and dietary fiber sources in the preparation of bread.

Candidate: Ms.R.Suwatha

Specialization: Food

Supervisors: Mrs. Damitha Rajapakse & Mrs. Mikunthan

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Effect of fertigation on water use of tea.

Candidate: Mr.V.Vijithan

Specialization: Food

Supervisor: Dr.A.Anandacoomaraswamy

Place of Research (Institute): Tea Research Institute, Talawakelle

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Research Title: Extraction of pectin from banana peel and its characterization.

Candidate: Ms.Y.Pratheeba

Specialization: Food

Supervisor: Dr. (Ms). Jaanaki Gooneratne

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

Undergraduate Researches in 2004 (12th Batch)

Research Title: Development of fruit leather using bael fruit (Aegle marmelos)

Candidate: Ms.S.Kumuthini

Specialization: Food

Supervisor: Mr.Senarath Ekanayake

Place of Research (Institute): Food Research unit, Department of Agriculture, Peradeniya

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Research Title: A simplified quick greenhouse method to determine critical nutrient levels of crops.

Candidate: Mr.R.Muralithasan

Specialization: Soil

Supervisor: Dr. M.A. Lathiff & Mrs. S.Maraikar

Place of Research (Institute): HORDI, Gannoruwa

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Research Title: Minimal processing in Ash plantain

Candidate: Ms.K.Printha

Specialization: Food

Supervisors: Dr.K.H.Sarananda & Mr.T.D.W.Siriwardena

Place of Research (Institute): HORDI, Gannoruwa

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Research Title: A nutrient rich compost for organic vegetable production

Candidate: Ms.S.Vinotha

Specialization: Soil

Supervisors: Dr. M.A. Lathiff & Mrs. S.Maraikar

Place of Research (Institute): HORDI, Gannoruwa

Undergraduate Researches in 2003 (11th Batch)

Research Title: High – Grade Eppawala rock phosphate as a phosphorus source for annual crops.

Candidate: Ms.T.Kavitha

Specialization: Soil

Supervisor: Dr. M.A. Lathiff & Mrs. S.Maraikar

Place of Research (Institute): HORDI, Gannoruwa

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Research Title: Optimizing the soaking parameters to remove saponoin from palmyrah (Borassus flabellifer) tuber flour and using the same in bread making.

Candidate: Ms.Y.Bruntha

Specialization: Food

Supervisor: Mr.Senarath Ekanayake

Place of Research (Institute): Food Research unit, Department of Agriculture, Peradeniya

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Research Title: Effect of a generally recognized as safe (GRAS) compound on the control of Black rot disease in pineapple fruit.

Candidate: Ms.T.Vasuki

Specialization: Food

Supervisor: Dr.R.S. Wilson Wijerathnam

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Study on the NPK content of the animal dung.

Candidate: Ms.S.Vanajah

Specialization: Soil

Supervisors: Dr. M.A. Lathiff & Mrs. S.Maraikar

Place of Research (Institute): HORDI, Gannoruwa

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Research Title: Effects of latex exude during harvesting on post harvest disease development of mango (Mangifera indica) cv. Karuthacolumban.

Candidate: Mr.M.Thayakaran

Specialization: Food

Supervisor: Dr.K.H.Sarananda & Mr.T.D.W.Siriwardena

Place of Research (Institute): HORDI, Gannoruwa

Undergraduate Researches in 2003 (10th Batch)

Research Title: Extraction of chitin and chitosan from the carapace and shell of farmed and lagoon shrimp.

Candidate: Ms.S.Kirijah

Specialization: Food

Supervisor: Dr. (Mrs.) Y.Sultanbawa

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Effect of Pre storage carbon dioxide or heat treatment on the control of Anthracnose in papaya fruit.

Candidate: Ms.K.Senkamalachelvi

Specialization: Food

Supervisor: Dr.Dharani Sivakumar

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Effect of different organic matters on volatilization and nitrification of applied urea and ammonium sulphate in calcic red yellow latasols of Sri Lanka.

Candidate: Ms.P.Pushpamalini

Specialization: Soil

Supervisor: Mrs. N. Gnanavelrajah

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Spatial and seasonal variation in the quality of drinking water in Jaffna district.

Candidate: Mr.C..A.Anpalagan

Specialization: Soil

Supervisor: Dr.K.Sooriyakumar

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

Undergraduate Researches in 2002 (9th Batch)

Research Title: Production of ethanol by simultaneous saccharification and fermentation from locally available starch based carbon sources utilizing the endogenous proteins as nitrogen source

Candidate: Ms.T.Sarmili

Specialization: Food

Supervisor: Prof. (Miss) V. Arasaratnam & Dr.A.Senthuran

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

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Research Title: Development of salted and pressed sardine from Sardinella albella (Sardine)

Candidate: Mr.S.M.Puviraj

Specialization: Food

Supervisor: Ms.G.J.Ganagama Arachchi

Place of Research (Institute): NARA, Sri Lanka

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Research Title: Studies on maturity at harvest in relation to low temperature storage of king coconut (Cocus nucifera var aurantiaca)

Candidate: Mr.V.Jeyachandran

Specialization: Food

Supervisor: Dr. (Ms).R.S. Wilson Wijeratnam

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Extraction and preservation of lime juice.

Candidate: Mr.S.Naguleswaran

Specialization: Food

Supervisor: Dr.K.B.Palipane

Co-Supervisor: Mr.T.V.Lashantha Kumara

Place of Research (Institute): Institute of Post-Harvest Technology , Anuradhapura, Sri Lanka

Undergraduate Researches in 2001 (8th Batch)

Research Title: Some variability in tea clones (Camellia sinensis (L.) O. Kuntze) in relation to root cation exchange capacity.

Candidate: Mr.S.Kannan

Specialization: Soil

Supervisor: V.Shanmugarajah

Place of Research (Institute): Tea Research Institute, Talawakelle.

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Research Title: Comparison of natural and commercial flavors by chemical and sensory methods.

Candidate: Ms.D.Meera

Specialization: Food

Supervisor: Dr. (Mrs) Y. Sultanbawa

Place of Research (Institute): Industrial Technology Institute, Sri Lanka

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Research Title: Bio conversion of common organic materials in tea plantations.

Candidate: Mr.R.G.Vijayaratnam

Specialization: Soil

Supervisor: Dr.A.Balasuriya

Place of Research (Institute): Tea Research Institute, Talawakelle

Undergraduate Researches in 2001 (7th Batch)

Research Title: Effect of water activity on the development of aroma constituents of tea leaf during withering operation in tea manufacture.

Candidate: Mr.V.Varatharajan

Specialization: Food

Supervisor: Dr.I.S.B.Abeysinghe

Place of Research (Institute): Tea Research Institute, Talawakelle

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Research Title: Determination of polycyclic aromatic hydrocarbons in made tea by high performance liquid chromatography.

Candidate: Mr.S.Mahendraraj

Specialization: Food

Supervisor: Dr.I.S.B.Abeysinghe

Place of Research (Institute): Tea Research Institute, Talawakelle

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Research Title: Control of post-harvest losses of king coconuts by the wax application.

Candidate: Ms.K.Kasthuri

Specialization: Food

Supervisor: Dr.R.S.Wilson Wijeratnam

Place of Research (Institute): Post Harvest Technology group, Agro food Technology Division, Colombo 07

Undergraduate Researches in 2000 (6th Batch)

Research Title: Effect of ethrel (2 – Chloroethyl phosphonic acid) treatment, temperature and light irradiation on ripening of tomatoes.

Candidate: Ms.B.Jeyavathani

Specialization: Food

Supervisor: Dr.R.S.Wilson Wijeratnam

Place of Research (Institute): Post Harvest Technology group, Agro foof Technology Division, Colombo 07

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Research Title: Effect of mulching material on biological and physical properties of an ultisol under tea.

Candidate: Ms.K.Umaah

Specialization: Soil

External Advisor: A.Anandacoomaraswamy

Internal Advisor: M.S.D.L.Silva

Place of Research (Institute): Tea Research Institute

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Research Title: Effect of mulching materials on chemical properties of an ultisol and growth of tea.

Candidate: Ms.K.Sujeetha

Specialization: Soil

External Advisor: A.Anandacoomaraswamy

Internal Advisor: M.S.D.L.Silva

Place of Research (Institute): Tea Research Institute

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Research Title: Effect of different parts of black plum tree (Syzygium cumini) on the microbial activities.

Candidate: Ms.M.Bhageerathy

Specialization: Soil

Supervisor: Prof. (Miss) V. Arasaratnam & Prof. S. Mohanadas

Place of Research (Institute): Faculty of Agriculture, University of Jaffna

Undergraduate Researches in 1999 (5th Batch)

Research Title: Comparison of carbide, ethrel & ethylene on effects of ripening of banana & tomato.

Candidate: Ms.Krishnashanthy

Specialization: Food

Supervisor: Dr.R.S.Wilson Wijeratnam

Place of Research (Institute): Post Harvest Technology group, Agro food Technology Division, Colombo

Undergraduate Researches in 1998 (4th Batch)

Research Title: Time of harvest in relation to the quality of hydrated banana slices.

Candidate: Mr.P.Illankovan

Specialization: Food

Supervisor: Dr.R.S.Wilson Wijeratnam

Place of Research (Institute): Post Harvest Technology group, Agro food Technology Division, Colombo

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Research Title: Chemical composition of black tea produced in different elevational regions of Sri Lanka.

Candidate: Ms.S.C.Reyalini

Specialization: Food

Supervisor: Prof. S. Mohanadas & Dr. A.M.T.Amarakoon

Place of Research (Institute): Tea Research Institute

Undergraduate Researches in 1997 (3rd Batch)

Research Title: Effect of nitrogen on shoot population and shoot weight of clone TRI 2024

Candidate: Ms.Y.Vanathy

Specialization: Soil

Supervisors : Prof. S. Mohanadas & Ms. Janaki Balasuriya

Place of Research (Institute): Tea Research Institute

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Research Title: The response of Mauritius variety pine apple to control atmosphere storage and observations on the calcium levels in the fruit.

Candidate: Ms.E.Nagalatha

Specialization: Food

Supervisor: Dr.R.S.Wilson Wijeratnam

Place of Research (Institute): Post Harvest Technology group, Agro food Technology Division, Colombo

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Research Title: Adsorption and desorption isotherms of dried red chilli

Candidate: Ms.S.Kirupavathany

Specialization: Food

Supervisor: Dr.R.S.Wilson Wijeratnam

Place of Research (Institute): Post Harvest Technology group, Agro food Technology Division, Colombo

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Research Title: Effect of nitrogen on shoot extension and development of clone TRI 2024.

Candidate: Ms.B.Anchanadevi

Specialization: Soil

Supervisors : Prof. S. Mohanadas & Ms. Janaki Balasuriya

Place of Research (Institute): Tea Research Institute

Past research grants

Research Grant in 2019

Grant Name : University of Jaffna Research grant
Title of Research : Utilization of some plant leaves as sources of antioxidants to improve the oxidative stability of palm oil during repeated deep-frying
Amount (LKR) : 800,000.00
Recipient(s) : Ms. S. Sivakanthan (PI)

Grant Name : University of Jaffna Research grant
Title of Research : Use of kitchen waste water as a low cost medium for culturing Spirulina sp. and the potential use of its biomass in compost making
Amount (LKR) : 800,000.00
Recipient(s) : Miss. A. Thurairajah (PI) and Prof. (Mrs.) N. Gnanavelrajah (CI)

Grant Name : University of Jaffna Research grant
Title of Research : Evaluation of antioxidant and antimicrobial properties of selected seaweeds available in Northern region of Sri Lanka
Amount (LKR) : 800,000.00
Recipient(s) : Miss. R. Sarathadevi (PI) and Dr. S. Vasantharuba (CI)

Research Grant in 2018

Grant Name : University of Jaffna Research grant
Title of Research : Evaluation of oxidative stability and frying performance of coconut and sesame oil blends
Amount (LKR) : 800,000.00
Recipient(s) : Dr. S. Vasantharuba (PI), Mrs. S. Sivakanthan (CI)

Research Grant in 2017

Grant Name : University of Jaffna Research grant
Title of Research : Estimation of Number of Palmyrah Trees, and Carbon Stock of Palmyrah Land-uses in Jaffna District
Amount (LKR) : 700,000.00
Recipient(s) : Prof (Mrs.) N. Gnanavelrajah (PI)

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Grant Name : University of Jaffna Research grant
Title of Research : Extraction, quantification and utilization of bioactive compounds from the fruit, seed and leaves of underutilized Jamun (Syzigium cumini)
Amount (LKR) : 398,900.00
Recipient(s) : Mrs. S. Sivakanthan (PI)

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Grant Name : University of Jaffna Research grant
Title of Research : Screening beneficial microorganisms from onion rhizosphere and assessing their performance under field condition
Amount (LKR) : 800,000.00
Recipient(s) : Mrs. A. Sayanthan (PI), Prof. (Mrs.) N. Gnanavelrajah (CI)

Research Grant in 2016

- - Grant Name : National Science Foundation grant (MPhil work)
  - Title of Research : Isolation of denitrifying bacteria and their potential use in nitrate removal of well water of Jaffna District
  - Amount (LKR) : 2,854,142.00
  - Recipient(s) : Prof (Mrs.) N. Gnanavelrajah (Supervisor), Ms. T. Abiramy (Student)

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- - Grant Name : University of Jaffna Research grant
  - Title of Research : Effect of processing on antioxidant activity of selected vegetables
  - Amount (LKR) : 790,000.00
  - Recipient(s) : Dr. S. Vasantharuba (PI), Mrs. S. Sivakanthan (CI)

Research Grant in 2015

Grant Name : University of Jaffna Research grant
Title of Research : Debittering of citrus juices and Palmyrah pulp
Amount (LKR) : 469,500.00
Recipient(s) : Dr. S. Vasantharuba (PI)

Research Grant in 2014

Grant Name : UGC grant ( MPhil work)
Title of Research : Enzymatic inter esterification of sesame and coconut oils to produce a nutritionally superior oil and evaluation of the oxidative stability
Amount (LKR) : 2,495,000.00
Recipient(s) : Mrs. S. Sivakanthan

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