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Four new cucurbitane glycosides from Hemsleya jinfushanensis
Jian-Chao Chen1, Xue-Mei Niu, Zhong-Rong Li
1State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, the Chinese Academy of Sciences, 610 Longquan Road, Kunming, Yunnan, P.R. China.
Planta Medica
|October 29, 2005
Abstract:
A phytochemical study of the tubers of Hemsleya jinfushanensis L. T. Shen resulted in the isolation of four new cucurbitane glycosides, jinfushanosides A-D (1- 4), as well as four known compounds 5-8. Compounds 1-7 were tested for bioactivity against rabbit platelet aggregation induced by PAF, ADP, or AA. Among them, compounds 1, 5, 6 and 7 weakly inhibited PAF-induced platelet aggregation.