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落叶松树皮丙酮浸提物的乙醚萃取液,经聚己内酰胺、硅胶柱色谱分离,得到三个纯化合物。对它们进行化学分析和光谱分析,确定它们为:(+)-儿茶素;槲皮素;一个新的黄烷-3-醇化合物(C_(30)H_(22)O_(10))
The ether extract of the larch bark acetone extract was separated by polycaprolactam and silica gel column chromatography to obtain three pure compounds. They were chemically analyzed and spectroscopically analyzed and identified as: (+)-catechin; quercetin; a new flavan-3-ol compound (C_(30)H_(22)O_(10))