Abstract
Three new dammarane-type saponins, compounds 1 - 3, were isolated from the aerial parts of Gynostemma pentaphyllum. Their structures were determined using NMR analysis and acid hydrolysis. The structure and stereochemistry of compound 1 were confirmed by X-ray crystallography.
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Dr. W. L. Wendy Hsiao
School of Chinese Medicine
Hong Kong Baptist University
Hong Kong
People’s Republic of China
Fax: +852-3411-2461
Email: bowhsiao@hkbu.edu.hk
