Citation: Quan Lin Yu, Hong Quan Duan, Wen Yuan Gao, Yoshihisa Takaishi. A new triterpene and a saponin from Centella asiatica[J]. Chinese Chemical Letters, ;2007, 18(1): 62-64. doi: 10.1016/j.cclet.2006.11.033 shu

A new triterpene and a saponin from Centella asiatica

a College of Pharmaceutical Sciences and Biotechnology, Tianjin University, Tianjin 300072, China;
b School of Pharmacy, Tianjin Medical University, Tianjin 300070, China;
c School of Agronomy, Hebei Normal University of Science & Technology, Hebei 066600, China;
d Faculty of Pharmaceutical Sciences, University of Tokushima, Tokushima 770-8505, Japan

Received Date: 16 June 2006

Fund Project: This project is sponsored by the Scientific Research Foundation, Tianjin Medical University.

A new triterpene and a saponin, named 2α,3β,23-trihydroxyurs-20-en-28-oic acid (1) and 2α,3β,23-trihydroxyurs-20-en-28-oic acid O-α-L-rhamnopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-O-β-D-glucopyranosyl ester (2), have been isolated from the aerial part of Centella asiatica. Their structures were elucidated by spectral methods, including 2D-NMR spectra.
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