A new lupane glycoside from the leaves of Acanthopanax koreanum
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Sang-Yong Park1, Hyun-Sik Choi, Chang-Soo Yook
1Pharmacognosy Department, College of Pharmacy, Kyung-Hee University, Seoul, Korea. dragonpsy@khu.ac.kr
Chemical & Pharmaceutical Bulletin
|January 7, 2005
Abstract:
A new lupane-type saponin, named acankoreoside E (1), was isolated from the methanol extract of the leaves of Acanthopanax koreanum, and its structure was established through chemical and spectroscopic analyses as (20S) 3alpha-hydroxy-30-oxolupan-23,28-dioic acid 28-O-[alpha-L-rhamnopyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl] ester.