Abstract
Four phenylethanoid glycosides were isolated from the 75% EtOH extract of Forsythiae Fructus by various column chromatography methods(MCI, silica gel, ODS and semi-preparative HPLC). Their structures were identified as forsythenside M(1), forsythenside K(2), forsythoside I(3) and forsythoside A(4) by physicochemical properties and extensive spectroscopic analysis(UV, 1 D and 2 D NMR, HR-ESI-MS). Among them, compound 1 was one new phenylethanoid glycoside. The in vitro cytotoxic activities of these compounds against MCF-7, A-375, SGC-7901 and B16 F10 were evaluated. The results showed that compounds 1-4 had cytotoxic activities against MCF-7, A-375, SGC-7901 and B16 F10 at 40 μmol·L~(-1).
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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