期刊
PHYTOMEDICINE
卷 11, 期 6, 页码 516-522出版社
ELSEVIER GMBH
DOI: 10.1016/j.phymed.2003.07.007
关键词
immunomodulation; anti-inflammatory activity; human complement system; platelet aggregation; traditional medicine; Bolivia; Tacana
One hundred and seventy-eight ethanolic plant extracts from the pharmacopoeia of the Tacana, an ethnic group from Bolivia, were screened for immunomodulatory activity using complement cascade inhibition and ADP-induced platelet aggregation inhibition assays. Six impaired both complement pathways (classical and alternative): stem bark from Astronium urundeuvea (Anacardiaceae), Cochlospermum vitifolium (Cochlospermaceae), Terminalia amazonica (Combretaceae), Triplaris americana (Polygonaceae), Uncaria tomentosa (Rubiaceae) and Euterpe precatoria (Arecaceae) roots. Inhibition of complement cascade was independent of essential ion complexation, and was not due to direct hemolytic activity on target red blood cells. For A. urundeuvea, C vitifolium, and T amazonica, anti-inflammatory activity relied on cyclo-oxygenase inhibition. Four of these species (A. urundeuva, T americana, U. tomentosa and E precatoria) are used traditionally to treat inflammatory processes. (C) 2004 Elsevier GmbH. All rights reserved.
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