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红秦艽用乙醇回流提取,120-160目硅胶进行柱层析,以环己烷-二氯甲烷-乙酸乙酯梯度洗脱,分得部分化合物。经检定为丹参新醌乙(4anshenxinkun
Red Gentiana macrophylla was extracted by refluxing with ethanol, column chromatography was performed on 120-160 mesh silica gel, and eluted with a gradient of cyclohexane-dichloromethane-ethyl acetate to give some compounds. It has been certified as Salvia miltiorrhiza B (4anshenxinkun)