从牛大力(Milettia speciosa Champ.)茎95％乙醇提取物的乙酸乙酯部分分离得到了7个化合物,经波谱分析及与文献数据对照鉴定其结构为:4,2’,4’-三羟基查耳酮(1)、高丽槐素(2)、4’-羟基-7-甲氧基二氢黄酮(3)、谷甾-5-烯-3,7-二醇(4)、β-谷甾醇(5)、豆甾醇(6)和β-胡萝卜苷(7).其中化合物3和4为首次从该植物中分离得到.%Seven compounds were isolated from the ethyl acetate extract of the vinestems of Millettia speciosa Champ. Their structures were elucidated as:4,2',4'-trihydroxychalcone (1) , (-)-maackiain (2) ,4'-hydroxy-7-methoxy flava-none (3) ,stigmast-5-ene-3,7-diol (4) ,β-sitosterol (5) ,stigmasterol (6) and β-daucoster (7) using physico-chemical properties and spectroscopic data. Compounds 3 and 4 were isolated from this plant for the first time.
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