Biological source: Dill is the dried ripe fruits of Anethum graveolens, belonging to family Umbelliferae.
Geographical source: The plant is indigenous to the Mediterranean, South Russia, England, Germany and Roumania.
Macroscopic characters:
Dill usually consists of separate broadly oval mericarps, about 4 mm. long and 2 mm broud. They are dorsally compressed, the two ventral ridges being prolonged into membranous wings. The fruits have aromatic odour and taste
Chemical constituents:
A dill fruit contains about 2-4 % volatile oil.
Dill contain major components Carvone and Limonene.
The other constituents of fruit are fixed oils and proteins.
The seed oil of dill contains Dillapiol.
The essential oil contains monoterpene and sesquiterpene derivative
α-pinene,
α-terpinene,
Caryophyllene,
Myristincin,
δ- phellandrene and Euginol.
In addition, the essential oil also contains
Dihydrocarvone,
Carvacrol,
Dillapiol,
Safrol and thymol.
A new Xanthone glycoside
Dillanoside and
Pyranocoumarins such as
Scopoletin and
Graveolone, have also been reported from the fruits.
Uses:
Dill is used for preparation of gripe water
Nowadays, dill is scarcely used at all medicinal purpose.
Its principal use is as condiment in culineries, where its preservation properties is useful.
The essential oil has disinfectant and antispasmodic properties.
It relieves flatulence and promotes lactation.
The component dillapol present in the dill is considered to be poisonous.
References:
1. Trease D. & Evans W.C.: Text Book of Pharmacognosy: W.B. Saunders.
2. Tyler V. E. Brady L. R. & Robbers J. E.: Pharmacognosy; Lea Feibger, USA.
3. Wallis T. E.; Text Book of Pharmacognosy; CBS Publishers, Delhi.
4. Kokate C. K., Purohit A. P. & Gokhale S. B.: Pharmacognosy; Nirali Publications, Pune.
5. Harbone J. B.: Phytochemical Methods: A guide to modern techniques Analysis: Chapman & Hall, London.
6. Bruneton J.: Pharmacognosy, Phytochemistry, Medicinal Plants: Intercept Limited.