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Flavone glucosides with immunomodulatory activity from the leaves of Pleioblastus amarus
Hong-Bing Wang1, Hui Yao, Guan-Hu Bao
1Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China.
Phytochemistry
|April 15, 2004
Abstract:
Three flavone glucosides, pleiosides A-C, were isolated from the leaves of Pleioblastus amarus, along with two known flavones: tricin and tricetin 3,5-dimethoxy-7-O-beta-d-glucopyranoside. Their structures were elucidated by extensive spectral studies. Pleiosides A-C were found to inhibit the proliferation of murine T and significantly stimulate the proliferation of murine B lymphocytes in vitro.
