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Chemical constituents of Wolffia globosa(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

2014 06
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Chemical constituents of Wolffia globosa
WANG Nini FANG Yang YANG Tao LI Guoyou ZHAO Hai
1Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China 2University of Chinese Academy of Sciences, Beijing, 100049, China
Wolffia globosa flavones orientin isoorientin vitexin isovitexin

The Wolffia genus of the family Lemnaceae is the smallest flowering plant, which could be used as fodder and vegetable. This study was carried out for a comprehensive understanding of the chemical constituents of Wolffia globosa using MCI, silic gel, Sephadex LH-20 column chromatography and HPLC methods. As a result, eight compounds were isolated and identified from the EtOH extract of W. globosa. On the basis of MS and NMR spectral data, their structures were identified to be apigenin-7-O-β-D-glucoside (1), vitexin (2), isovitexin (3), orientin (4), isoorientin (5), luteolin-7-O-β-D-glucoside (6), isoorientin-6??-O-β-D-glucoside (7), and apigenin-6,8-di-C-β-D-glucoside (8). The result demonstrated that glycosidic derivatives of apigenin and luteolin with a broad range of bioactivities are the main components in W. globosa, and that W. globosa is a new source for bioactive flavones. Fig 1, Ref 24


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Last Update: 2015-01-05