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期 刊 ：中国中药杂志 2007年 32卷 09期 页码：815.

关键词：豆科；红绒毛羊蹄甲；二氢黄酮醇苷；黄烷-3-醇；

Keywords:Leguminosae, Bauhinia aurea, dihydroflavonol glycosides, flavan-3-ols,

摘 要 ：目的：研究红绒毛羊蹄甲Bauhinia aurea的化学成分。方法：应用各种色谱技术进行分离纯化,用MS和NMR分析确定化合物结构。结果：从红绒毛羊蹄甲90%乙醇提取物的醋酸乙酯萃取部位中分离得到8个化合物,分别鉴定为异黄杞苷(1)、落新妇苷(2)、新落新妇苷(3)、异落新妇苷(4)、新异落新妇苷(5)、(2R,3S)-儿茶精 6)、(2R,3R)-表儿茶精(7)和(2R,3R)-3-O-没食子酰表儿茶精(8)。结论：除化合物2,6和8外,其余5个化合物均属首次从该属植物中发现。

Abstract:Objective: To study the chemical constituents of Bauhinia aurea. Method: The compounds were isolated by column chromatography over silica gel, reversed-phase RP-18, and Sephadex LH-20. MS and NMR spectroscopic methods were used to determine structures of purified compounds. Result: Eight compounds were isolated from the ethyl acetate soluble fraction of the ethanolic extract and their structures were elucidated as isoengeletin (1), astilbin (2), neoastilbin (3), isoastilbin (4), neoisoastilbin (5), (+)-catechin (6), (-)-epicatechin (7) and (-)-epicatechin 3-O-gallate (8). Conclusion: Five compounds were isolated from this genus for the first time except for 2, 6 and 8.

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