Planta Med 2005; 71(9): 880-884
DOI: 10.1055/s-2005-871256
Letter
© Georg Thieme Verlag KG Stuttgart · New York

Three Dammarane-Type Saponins from Gynostemma pentaphyllum

Xin Liu1 , 2 , Wencai Ye1 , Ziyao Mo3 , Biao Yu2 , Houming Wu2 , Shouxun Zhao1 , Chuntao Che4 , W. L. Wendy Hsiao5
  • 1China Pharmaceutical University, Nanjing, P. R. China
  • 2Shanghai Institute of Organic Chemistry, Shanghai, P. R. China
  • 3Department of Biology, Hong Kong University of Science and Technology, Hong Kong, P. R. China
  • 4School of Chinese Medicine, The Chinese University of Hong Kong, Hong Kong, P. R. China
  • 5School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, P. R. China
Further Information

Publication History

Received: November 24, 2004

Accepted: March 23, 2005

Publication Date:
11 August 2005 (online)

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

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