Publications
56) Yun-Seo Kil, Ye-Ram Kim, Se-Jeong Hwang, Zhiying Chen, Trung Huy Ngo, Hyukjae Choi, Chang Hyun Jin, Ah-Reum Han, and Joo-Won Nam*, Strategies for quantitative analysis and preparation of hepatoprotective rosmarinic acid of Lycopus lucidus aerial parts, Fitoterapia, 2026, 193, 107364, https://doi.org/10.1016/j.fitote.2026.107364
55) Se-Jeong Hwang†, Bo-Kyeong Kim†, Eun Kyoung Seo*, and Yun-Seo Kil*, Preparation of bioactive iridoid glycosides from the stem bark of Catalpa ovata using high-speed counter-current chromatography, Natural Product Sciences, 2026, 32(2), 154-160, †co-first author https://doi.org/10.20307/nps.2026.32.2.154
54) Isoo Youn†, Hyelim Oh†, Taeeun Kim, Sumin Park, Yun-Seo Kil, Soosung Kang, Yun-Sil Lee*, and Eun Kyoung Seo*, 4-Hydroxyderricin from Angelica keiskei promotes the stability of BRCA1 in triple-negative breast cancer cells through inhibition of cathepsin S. Phytochemistry, 2026, 246, 114805, https://doi.org/10.1016/j.phytochem.2026.114805
53) Manju Shrestha†, Yun-Seo Kil†, Yunju Jo†, Simmyung Yook, Ki Hyun Kim, Dongryeol Ryu*, Joo-Won Nam*, and Jee-Heon Jeong*, Comparative Metabolomic and transcriptomic analysis of 2D and 3D mesenchymal stem cell cultures for improved therapeutic applications. British Journal of Pharmacology, 2026, 183(2), 379-392, †co-first author https://doi.org/10.1111/bph.70188
52) Trung Huy Ngo, Sunil Mishra, Yun-Seo Kil, Zhiying Chen, Hyukjae Choi, Jae-Hoon Chang*, and Joo-Won Nam*, Polysaccharides as the key differentiator in raw and processed Pinellia ternata tubers: immunostimulatory effects and mechanism of action. Phytochemical Analysis, 2026, 37(1), 127-139 https://doi.org/10.1002/pca.70032
51) Jiyoung Park†, Yun-Seo Kil†, Ho Jin Yi, Eun Kyoung Seo* and Hyun Ae Woo*, 6-O-trans-Feruloyl catalpol, a natural antioxidant from the stem bark of Catalpa ovata, accelerates liver regeneration in vivo via activation of hepatocyte proliferation signaling pathways. Antioxidants, 2025, 14, 1210, †co-first author https://doi.org/10.3390/antiox14101210
50) Euna Choi, Jisu Park, Min-Jeong Hong, Min-Jeong Hong, Chang Hyun Jin, Bo-Ram Kim, Bomi Nam, MinKyun Na*, Yun-Seo Kil*, and Ah-Reum Han*, Comparison of flavonoid profiles and policosanol contents in the sprout of five Oriental wheat cultivars (Triticum turgidum ssp. turanicum). Frontiers in Nutrition, 2025, 12, 1649097 https://doi.org/10.3389/fnut.2025.1649097
49) Yun-Seo Kil, Junhyeung Park, Byeong-Seon Jeong, Punam Thapa, Young Jun Ok, Hyukjae Choi, Jee-Heon Jeong*, and Joo-Won Nam*, Quantum mechanical spectral analysis and aldose reductase inhibition evaluation of synthetic new pyrrolopyrazinones. ACS Omega, 2025, 10(13), 13185–13192 https://doi.org/10.1021/acsomega.4c10696
48) Hau Thi Hong Bui, Yoon-Jin Lee, Trung Huy Ngo, Punam Thapa, Yun-Seo Kil, Chang Yeol Lee, Hyukjae Choi, Kyu Joon Lee*, and Joo-Won Nam*, Development of pH-adjusted NMR methodology for quantitation of caffeoylquinic acid derivatives and evaluation of their antimalignant pleural mesothelioma potential. Journal of Pharmaceutical and Biomedical Analysis, 2025, 259, 116776 https://doi.org/10.1016/j.jpba.2025.116776
47) Hau Thi Hong Bui, Ajay Uprety, Trung Huy Ngo, Yun-Seo Kil, Punam Thapa, Jongseo Mo, Hyukjae Choi, Soo Young Kim*, and Joo-Won Nam*, Quantum mechanics-based structural analysis of phenolic glycosides from Cuscuta japonica seeds with protective effects against H2O2-induced oxidative stress in SH-SY5Y cells. Phytochemistry, 2025, 234, 114420 https://doi.org/10.1016/j.phytochem.2025.114420
46) Tiep Tien Nguyen†, Yun-Seo Kil†, Jong-Hyuk Sung, Yu Seok Youn, Ji Hoon Jeong, Jung Heon Lee, Hu-Lin Jiang, Simmyung Yook*, Joo-Won Nam*, and Jee-Heon Jeong*, Fabrication of stem cell heterospheroids with sustained-release chitosan and poly(lactic-co-glycolic acid) microspheres to guide cell fate toward chondrogenic differentiation. International Journal of Biological Macromolecules, 2024, 263, 130356, †co-first author https://doi.org/10.1016/j.ijbiomac.2024.130356
45) Jisu Park†, Trung Huy Ngo†, Sunil Babu Paudel, Yun-Seo Kil, Ga-Hee Ryoo, Chang Hyun Jin, Hong-Il Choi, Chan-Hun Jung, Min Kyun Na, Joo-Won Nam*, and Ah-Reum Han*, Angular dihydropyranocoumarins from the flowers of Peucedanum japonicum and their aldo-keto reductase inhibitory activities. Phytochemistry, 2024, 219, 113974 https://doi.org/10.1016/j.phytochem.2024.113974
44) Jisu Park†, Yun-Seo Kil†, Ga-Hee Ryoo, Chang Hyun Jin, Min Jeong Hong, Jin-Baek Kim, Chan-Hun Jung, Joo-Won Nam*, and Ah-Reum Han*, Phytochemical profile and anti-inflammatory activity of the hull of γ-irradiated wheat mutant lines (Triticum aestivum L.). Frontiers in Nutrition, 2023, 10, 1334344, †co-first author https://doi.org/10.3389/fnut.2023.1334344
43) Yun-Seo Kil, Jianlan You, Karen L. Wendt, Jarrod B. King, and Robert H. Cichewicz*, Resolving a natural products cold case: elucidation of fusapyrone structure and absolute configuration, and demonstration of their fungal biofilm disrupting properties. Journal of Organic Chemistry, 2023, 88(13), 9167-9186 https://doi.org/10.1021/acs.joc.3c00765
42) Mahtab Jafari*, Samuel E. Schriner, Yun-Seo Kil, Sally T. Pham, and Eun Kyoung Seo, Angelica keiskei impacts the lifespan and healthspan of Drosophila melanogaster in a sex and strain-dependent manner. Pharmaceuticals, 2023, 16(5), 738 https://doi.org/10.3390/ph16050738
41) Mahesh Pandit†, Yun-Seo Kil†, Jae-Hee Ahn,† Ram Hari Pokhrel,† Ye Gu, Sunil Mishra, Youngjoo Han, Yung-TaekOuh, Ben Kang, Myeong Seon Jeong, Jong-Oh Kim, Joo-Won Nam, Hyun-Jeong Ko*, and Jae-Hoon Chang*, Methionine consumption by cancer cells drives a progressive upregulation of PD-1 expression in CD4 T cells. Nature Communications, 2023, 14, 2593, †co-first author https://doi.org/10.1038/s41467-023-38316-9
40) Yun-Seo Kil and Joo-Won Nam*, Quantum-mechanical driven 1H iterative full spin analysis addresses complex peak patterns of choline sulfate. ACS Omega, 2022, 7(46), 42607-42612 https://doi.org/10.1021/acsomega.2c06092
39) Trung Huy Ngo, Ajay Uprety, Manju Ojha, Yun-Seo Kil, Hyukjae Choi, Soo Young Kim*, and Joo-Won Nam*, Stability of valeriana-type iridoid glycosides from rhizomes of Nardostachys jatamansi and their protection against H2O2-induced oxidative stress in SH-SY5Y cells. Phytochemistry, 2022, 203, 113375 https://doi.org/10.1016/j.phytochem.2022.113375
38) Jisu Park, Sunil Babu Paudel, Chang Hyun Jin, Gileung Lee, Hong-Il Choi, Ga-Hee Ryoo, Yun-Seo Kil, Joo-Won Nam, Chan-Hun Jung, Bo-Ram Kim, Min Kyun Na*, and Ah-Reum Han*, Comparative analysis of coumarin profiles in different parts of Peucedanum japonicum and their aldo–keto reductase inhibitory activities. Molecules, 2022, 27(21), 7391 https://doi.org/10.3390/molecules27217391
37) Yun-Seo Kil†, Ananda Baral†, Byeong-Seon Jeong, Pekka Laatikainen, Yang Liu, Ah-Reum Han, Min-Jeong Hong, Jin-Baek Kim, Hyukjae Choi, Pil-Hoon Park*, and Joo-Won Nam*, Combining NMR and MS to describe pyrrole-2-carbaldehydes in wheat bran of radiation. Journal of Agricultural and Food Chemistry, 2022, 70(40), 13002-13014 https://doi.org/10.1021/acs.jafc.2c04771
36) Sunil Babu Paudel, Tiep Tien Nguyen, Yun-Seo Kil, Hyukjae Choi, Jee-Heon Jeong*, and Joo-Won Nam*, Tricyclic diterpenes from the resin of Daemonorops draco and their activities on oxidative stress-induced mesenchymal stromal cells. Phytochemistry Letters, 2022, 50, 106-111 https://doi.org/10.1016/j.phytol.2022.05.012
35) Zunaira Syed, Bushra Shal, Aqsa Azhar, Safa Amanat, Adnan Khan, Hussain Ali, Yun-Seo Kil, Eun Kyoung Seo*, and Salman Khan*, Pharmacological mechanism of xanthoangelol underlying Nrf-2/TRPV1 and anti-apoptotic pathway against scopolamine-induced amnesia in mice. Biomedicine & Pharmacotherapy, 2022, 150, 113073 https://doi.org/10.1016/j.biopha.2022.113073
34) Jean A. Bernatchez†, Yun-Seo Kil†, Elany Barbosa da Silva, Diane Thomas, Laura-Isobel McCall, Karen L. Wendt, Julia M. Souza, Jasmin Ackermann, James H. McKerrow, Robert H. Cichewicz*, and Jair L. Siqueira-Neto*, Identification of leucinostatins from Ophiocordyceps sp. as antiparasitic agents against Trypanosoma cruzi. ACS Omega, 2022, 7(9), 7675-7682, †co-first author https://doi.org/10.1021/acsomega.1c06347
33) Yun-Seo Kil, Ah-Reum Han, Min-Jeong Hong, Jin-Baek Kim, Pil-Hoon Park, Hyukjae Choi, and Joo-Won Nam*, 1H NMR-based chemometrics to gain insights into the bran of radiation-induced colored wheat mutant. Frontiers in Nutrition, 2022, 8, 806744 https://doi.org/10.3389/fnut.2021.806744
32) Bo-Ram Kim†, Sunil Babu Paudel†, Ah-Reum Han†, Jisu Park, Yun-Seo Kil, Hyukjae Choi, Yeo Gyeong Jeon, Kong Young Park, Si-Yong Kang, Chang Hyun Jin, Jin-Baek Kim, and Joo-Won Nam*, Metabolite profiling and dipeptidyl peptidase IV inhibitory activity of Coreopsis cultivars in different mutations. Plants, 2021, 10(8), 1661 https://doi.org/10.3390/plants10081661
31) Manju Ojha, Yun-Seo Kil, Ui Joung Youn, Young Jun Ok, Hyukjae Choi, and Joo-Won Nam*, Compositional variation of atranorin-related components of lichen Myelochroa leucotyliza dependent on extraction solvent and their quantitative analysis by qHNMR. Phytochemical Analysis, 2021, 32(6), 1067-1073 https://doi.org/10.1002/pca.3048
30) Ah-Reum Han†, Yun-Seo Kil†, Min Jeong Hong, Jisu Park, Hyeon Hwa Park, Chang Hyun Jin, Joo-Won Nam*, and Jin-Baek Kim*, Anti-inflammatory flavonolignans from Triticum aestivum Linn. Hull. Applied Sciences, 2020, 10(23), 8656, †co-first author https://doi.org/10.3390/app10238656
29) Ah-Reum Han, Min Jeong Hong, Bomi Nam, Bo-Ram Kim, Hyeon Hwa Park, Inwoo Baek, Yun-Seo Kil, Joo-Won Nam, Chang Hyun Jin, and Jin-Baek Kim*, Comparison of flavonoid profiles in sprouts of radiation breeding wheat lines (Triticum aestivum L.). Agronomy, 2020, 10(10), 1489 https://doi.org/10.3390/agronomy10101489
28) Punam Thapa, Ye Gu, Yun-Seo Kil, Su Cheol Baek, Ki Hyun Kim, Ah-Reum Han, Eun Kyoung Seo, Hyukjae Choi, Jae-Hoon Chang*, and Joo-Won Nam*, N-Acetyldopamine derivatives from Periostracum Cicadae and their regulatory activities on Th1 and Th17 cell differentiation. Bioorganic Chemistry, 2020, 102, 104095 https://doi.org/10.1016/j.bioorg.2020.104095
27) Yun-Seo Kil, April L. Risinger, Cora L. Petersen, Susan L. Mooberry*, and Robert H. Cichewicz*, Leucinostatins from Ophiocordyceps spp. and Purpureocillium spp. demonstrate selective antiproliferative effects in cells representing the luminal androgen receptor subtype of triple negative breast cancer. Journal of Natural Products, 2020, 83(6), 2010-2024 https://doi.org/10.1021/acs.jnatprod.0c00404
26) Yun-Seo Kil†, April L. Risinger†, Cora L. Petersen, Huiyun Liang, Tanja Grkovic, Barry R. O’Keefe, Susan L. Mooberry, and Robert H. Cichewicz, Using the cancer dependency map to identify the mechanism of action of a cytotoxic alkenyl derivative from the fruit of Choerospondias axillaris. Journal of Natural Products, 2020, 83(3), 584-592 https://doi.org/10.1021/acs.jnatprod.9b00896
25) Jarrod B. King, Adam C. Carter, Wentao Dai, Jin Woo Lee, Yun-Seo Kil, Lin Du, Sara K. Helff, Shengxin Cai, Brandt C. Huddle, and Robert H. Cichewicz*, Design and application of a high-throughput, high-content screening system for natural product inhibitors of the human parasite Trichomonas vaginalis. ACS Infectious Diseases, 2019, 5(8), 1456-1470 https://doi.org/10.1021/acsinfecdis.9b00156
24) Hyo-Young Kim, Ah-Reum Han, Yun-Seo Kil, Eun Kyoung Seo*, and Chang Hyun Jin*, Anti-Inflammatory Effects of Catalpalactone Isolated from Catalpa ovata in LPS-Induced RAW264.7 Cells. Molecules, 2019, 24(7), 1236 https://doi.org/10.3390/molecules24071236
23) Ah-Reum Han, Hyang Rim Kim, Yun Seo Kil, Unwoo Kang, Dae Sik Jang, and Eun Kyoung Seo*, Isoquinoline alkaloids from Corydalis pallida. Chemistry of Natural Compounds, 2018, 54(5), 1020-1022 https://doi.org/10.1007/s10600-018-2541-6
22) Yun-Seo Kil, Yang Kang So, Min Jung Choi, Ah-Reum Han, Chang Hyun Jin, and Eun Kyoung Seo*, Cytoprotective dihydronaphthalenones from the wood of Catalpa ovata. Phytochemistry, 2018, 147, 14-20 https://doi.org/10.1016/j.phytochem.2017.12.009
21) Yun-Seo Kil, Unwoo Kang, Joo-Won Nam, Jongki Hong, and Eun Kyoung Seo*, Phytochemical study of the low polar constituents of Pinellia ternata. Chemistry of Natural Compounds, 2017, 53(6), 1152-1153 https://doi.org/10.1007/s10600-017-2222-x
20) Yun-Seo Kil, Unwoo Kang, and Eun Kyoung Seo*, Chemical constituents of the leaves of Vitis labruscana cv. Steuben. Chemistry of Natural Compounds, 2017, 53(5), 958-960 https://doi.org/10.1007/s10600-017-2168-z
19) Yun-Seo Kil, Seong Min Kim, Unwoo Kang, Hae Young Chung, and Eun Kyoung Seo*, Peroxynitrite-scavenging glycosides from the stem bark of Catalpa ovata. Journal of Natural Products, 2017, 80(8), 2240-2251 https://doi.org/10.1021/acs.jnatprod.7b00139
18) Yun-Seo Kil, Jiyoung Park, Mahtab Jafari, Hyun Ae Woo, and Eun Kyoung Seo*, Minor phenolics from Angelica keiskei and their proliferative effects on Hep3B cells. Bioorganic & Medicinal Chemistry Letters, 2017, 27(14), 3065-3070 https://doi.org/10.1016/j.bmcl.2017.05.054
17) Yun-Seo Kil, Sally T. Pham, Eun Kyoung Seo*, and Mahtab Jafari*, Angelica keiskei, an emerging medicinal herb with various bioactive constituents and biological activities. Archives of Pharmacal Research, 2017, 40(6), 655-675 https://doi.org/10.1007/s12272-017-0892-3
16) Ji-Yeon Park, Ah-Reum Han, Yun-Seo Kil, Unwoo Kang, Se-Hee Kim, Sang-Jip Nam*, and Eun Kyoung Seo*, A new secoiridoid glycoside from the fruits of Cornus officinalis (Cornaceae). Natural Product Research, 2016, 30(13), 1504-1510 https://doi.org/10.1080/14786419.2015.1115996
15) Yun-Seo Kil, Jaeyoung Kwon, Dongho Lee, and Eun Kyoung Seo*, Three new chalcones from the aerial parts of Angelica keiskei. Helvetica Chimica Acta, 2016, 99(5), 393-397 https://doi.org/10.1002/hlca.201500519
14) Ui Joung Youn, Joo Yun Lee, Yun-Seo Kil, Ah-Reum Han, Chong Hak Chae, Shi Yong Ryu, and Eun Kyoung Seo*, Identification of new pyrrole alkaloids from the fruits of Lycium chinense. Archives of Pharmacal Research, 2016, 39(3), 321-327 https://doi.org/10.1007/s12272-015-0695-3
13) Kyung-Hwa Jung†, Yun-Seo Kil†, Jaehoon Jung, Soojin Park, Dasom Shin, Kyeseok Lee, Eun Kyoung Seo*, and Hyunsu Bae*, Tuberostememonine N, an active compound from Stemona tuberosa, suppresses cigarette smoke-induced sub-acute lung inflammation in mice. Phytomedicine, 2016, 23(1), 79-86, †co-first author https://doi.org/10.1016/j.phymed.2015.11.015
12) Yun-Seo Kil, Ji-Yeon Park, Youngmee Kim, Sang-Jip Nam, Sung-Jin Kim, Yeong Shik Kim, and Eun Kyoung Seo*, Utilization of circular dichroism experiment to distinguish acanthoside D and eleutheroside E. Archives of Pharmacal Research, 2015, 38(11), 1921-1925 https://doi.org/10.1007/s12272-015-0586-7
11) Yun-Seo Kil, Seul-Ki Choi, Yun-Sil Lee, Mahtab Jafari, and Eun Kyoung Seo*, Chalcones from Angelica keiskei: evaluation of their heat shock protein inducing activities. Journal of Natural Products, 2015, 78(10), 2481-2487 https://doi.org/10.1021/acs.jnatprod.5b00633
10) Ah-Reum Han, Unwoo Kang, Yun-Seo Kil, Jun Lee, and Eun Kyoung Seo*, Identification of two new lactams from the hulled seeds of Coix lachryma-jobi var. ma-yuen. Bulletin of the Korean Chemical Society, 2015, 36(9), 2401-2403 https://doi.org/10.1002/bkcs.10456
9) Yun-Seo Kil, Joo-Won Nam, Jun Lee, and Eun Kyoung Seo*, Separation of two major chalcones from Angelica keiskei by high-speed counter-current chromatography. Archives of Pharmacal Research, 2015, 38(8), 1506-1511 https://doi.org/10.1007/s12272-014-0530-2
8) Yun-Seo Kil, Jiyoung Park, Ah-Reum Han, Hyun Ae Woo*, and Eun Kyoung Seo*, A new 9,10-dihydrophenanthrene and cell proliferative 3,4-δ-dehydrotocopherols from Stemona tuberosa. Molecules, 2015, 20(4), 5965-5974 https://doi.org/10.3390/molecules20045965
7) Hyeonhoon Lee, Kyung-Hwa Jung, Soojin Park, Yun-Seo Kil, Eun Young Chung, Young Pyo Jang, Eun Kyoung Seo, and Hyunsu Bae*, Inhibitory effects of Stemona tuberosa on lung inflammation in a subacute cigarette smoke-induced mouse model. BMC Complementary and Alternative Medicine, 2014, 14, 513 https://doi.org/10.1186/1472-6882-14-513
6) Eun Jung Jang, Yun-Seo Kil, Hye Ryeon Park, Sera Oh, Hyo Kyeong Kim, Mi Gyeong Jeong, Eun Kyoung Seo, and Eun Sook Hwang*, Suppression of IL-2 production and proliferation of CD4+ T cells by tuberostemonine O. Chemistry & Biodiversity, 2014, 11, 1954-1962 https://doi.org/10.1002/cbdv.201400074
5) Yun-Seo Kil, Ah-Reum Han, and Eun Kyoung Seo, Tuberostemonine O from the roots of Stemona tuberosa. Bulletin of the Korean Chemical Society, 2014, 35(6), 1891-1893 https://doi.org/10.5012/bkcs.2014.35.6.1891
4) Xiyuan Liu, Joo-Won Nam, Yun Seon Song, Ambily Nath Indu Viswanath, Ae Nim Pae, Yun-Seo Kil, Hee-Doo Kim, Jong Hoon Park, Eun Kyoung Seo*, and Minsun Chang*, Psoralidin, a coumestan analogue, as a novel potent estrogen receptor signaling molecule isolated from Psoralea corylifolia. Bioorganic & Medicinal Chemistry Letters, 2014, 24, 1403-1406 https://doi.org/10.1016/j.bmcl.2014.01.029
3) Ui Joung Youn†, Yun-Seo Kil†, Joo-Won Nam, Yoo Jin Lee, Jinwoong Kim, Dongho Lee, Je-Hyun Lee, and Eun Kyoung Seo, New pyrrole alkaloids with bulky N-alkyl side chains containing stereogenic centers from Lycium chinense. Helvetica Chimica Acta, 2013, 96(8), 1482-1487, †co-first author https://doi.org/10.1002/hlca.201200608
2) Joo-Won Nam, Seo-Young Kim, Taesook Yoon, Yoo Jin Lee, Yun-Seo Kil, Yun-Sil Lee*, and Eun Kyoung Seo*, Heat shock factor 1 inducers from the bark of Eucommia ulmoides as cytoprotective agents. Chemistry & Biodiversity, 2013, 10, 1322-1327 https://doi.org/10.1002/cbdv.201200401
1) Ah-Reum Han, Yun-Seo Kil, Unwoo Kang, I-Soo Youn, Goeun Choi, Yoo Jin Lee, Joo-Won Nam, Je-Hyun Lee, Jongki Hong, Sang Kook Lee, and Eun Kyoung Seo*, Identification of a new fatty acid from the seeds of Coix lachryma-jobi var. ma-yuen. Bulletin of the Korean Chemical Society, 2013, 34(4), 1269-1271 https://doi.org/10.5012/bkcs.2013.34.4.1269
Patents
Registration
3) Title: Composition for promoting recovery of liver comprising 6-O-trans-feruloyl catalpol; Registration No.: 10-2372747; Registration Date: 2022.03.04; Nation: Korea; Inventors: Eun Kyoung, Hyun Ae Woo, Yun-Seo Kil, and Jiyoung Park (PCT application, OPA21179-PCT, 2021.04.21)
2) Title: Novel compounds isolated from Angelica keiskei and composition comprising thereof for protecting cells from damages caused by toxic drugs or irradiation; Registration No.: 10-1704898; Registration Date: 2017.02.02; Nation: Korea; Inventors: Eun Kyoung Seo, Yun-Sil Lee, Yun-Seo Kil, and Seul-Ki Choi (Tech transfer)
1) Title: Novel tocopherol derivatives and composition comprising the same for cell protection or cell growth stimulation; Registration No.: 1015753980000; Registration Date: 2015.12.01; Nation: Korea; Inventors: Hyun Ae Woo, Eun Kyoung, Yun-Seo Kil, and Jiyoung Park
Application
1) Title: A method for simultaneous isolation of xanthoangelol and 4-hydroxyderricin from Angelica keiskei by high-speed counter-current chromatography; Application No.: 1020130146496; Application Date: 2013.11.28; Application Nation: Korea; Inventors: Eun Kyoung Seo and Yun-Seo Kil (Tech transfer)