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이형규(Hyeong Kyu Lee),변순정(Soon Jung Byon),오세량(Se Ryang Oh),김정일(Jung Il Kim),김영호(Young Ho Kim),이정옥(Chong Ock Lee) 한국생약학회 1995 생약학회지 Vol.25 No.4
A new diterpene, agastanol[l] with dehydroagastol[2] was isolated from the root of Agastache rugosa, and their structures were elucidated by chemical and instrumental analysis. Agastanol[1], its derivatives, agastanone[3] and methylagastanol [5], and dehydroagastol[2] showed cytotoxic activities against in vitro human cancer cell lines. Agastanol[1] showed weak antifungal activity against Trichophyton rubrum.
참느릅나무(Ulmus parvifolia) 잎 추출물 분석 및 안정성 평가
김두영 ( Doo-young Kim ),송수빈 ( Soobin Song ),김일주 ( Iljoo Kim ),정세규 ( Se-kyoo Jeong ),김성우 ( Sungwoo Kim ),김정희 ( Jung-hee Kim ),장현재 ( Hyun-jae Jang ),오세량 ( Sei-ryang Oh ),류형원 ( Hyung Won Ryu ) 한국응용생명화학회 2020 Journal of Applied Biological Chemistry (J. Appl. Vol.63 No.4
A simple and reliable HPLC method was developed to determine pharmacologically standard marker compounds of Ulmus parvifolia leaves. Standard markers were characterized with neochlorogenic acid (trans-5-O-caffeoylquinic acid, 5-CQA) and chlorogenic acid (trans-3-O-caffeoylquinic acid, 3-CQA) using NMR and UPLC-QTof-MS analysis. A method for qualitative/ quantitative analysis of the leaves extracts were evaluated including two compounds by using HPLC. The stability test of 30% ethanolic extracts of the leaves sample and standard markers have been evaluated for six months. However, no significant changes in the content of the marker compounds of each extract was observed during the time of investigation.