期刊
PHYTOCHEMISTRY
卷 53, 期 8, 页码 833-836出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9422(99)00599-3
关键词
Gynura elliptica; Compositae; root; p-hydroxyacetophenone; chromane; chroman-4-ol; (+)-gynunone; gynunol; anti-platelet aggregation activity
A p-hydroxyacetophenone-like derivative, (+)-gynunone, and a chromane, together with six known compounds were isolated from the CNCl3 fraction of the roots of Gynura elliptica. Their structures were determined by means of spectral analyses. Among the isolates, 6-acetyl-2,2-dimethylchroman-4-one and vanillin showed anti-platelet aggregation activity induced by arachidonic acid in vitro. (C) 2000 Elsevier Science Ltd. All rights reserved.
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