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. 2004 Jul;67(7):1147-51.
doi: 10.1021/np034018+.

Five new Ocotillone-type saponins from Gynostemma pentaphyllum

Xin Liu  1 , Wencai Ye, Ziyao Mo, Biao Yu, Shouxun Zhao, Houming Wu, Chuntao Che, Renwang Jiang, Thomas C W Mak, W L Wendy Hsiao
Affiliations

Five new Ocotillone-type saponins from Gynostemma pentaphyllum

Xin Liu et al. J Nat Prod. 2004 Jul.

Abstract

Five new ocotillone-type saponins, gynosides A-E (1-5), along with 10 known dammarane-type saponins, were isolated from the aerial parts of Gynostemma pentaphyllum. The structures of these new compounds were determined by NMR analysis and acid hydrolysis. The structure and stereochemistry of gynoside A (1) were confirmed by X-ray crystallography.

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