Separation of flavonol glycosides from Flaveria bidentis (L.) Kuntze by high-speed counter-current chromatography

文献类型： 外文期刊

第一作者： Xie, Qianqian

作者： Xie, Qianqian;Wei, Yun;Zhang, Guoliang

作者机构：

关键词： High-speed counter-current;chromatography;Flaveria bidentis (L.) Kuntze;Patuletin-3-O-glucoside;Hyperoside;Astragalin

期刊名称：SEPARATION AND PURIFICATION TECHNOLOGY （ 影响因子：7.312； 五年影响因子：6.656 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： In order to utilize and control the invasive weed, Flaveria bidentis (L.) Kuntze, bioactive compounds mainly flavonoids from F. bidentis (L) Kuntze were studied. High-speed counter-current chromatography (HSCCC) was successfully used for the separation of flavonol glycosides from F. bidentis (L) Kuntze. The two-phase solvent system composed of ethyl acetate-methanol-water (10:0.4:10, v/v) was used for HSCCC. About 400 mg of the crude extract was separated by HSCCC, yielding 3.6 mg of patuletin-3-O-glucoside at a purity of over 97%; 4.4 mg of astragalin (kaempferol-3-O-glucoside) at a purity of over 98% and 4.5 mg of a mixture of hyperoside (quercetin-3-O-galactoside) and 6-methoxykaempferol-3-O-galactoside constituting over 97% of the fraction. The chemical structures were confirmed by MS and ~1H, ~(13)C, 1-DTOCSYNMR.

分类号： TQ028

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