结果通过乙腈沉淀蛋白，采用乙酸乙酯进行提取，可使含药血清中龙血竭特征成分的提取率达到80%以上。
Results The average recovery of Dracaena's major components reached 80% after precipitated by acetonitrile first and then extracted by ethyl acetate.
结果通过乙腈沉淀蛋白，采用乙酸乙酯进行提取，可使含药血清中龙血竭特征成分的提取率达到80%以上。
Results The average recovery of Dracaena's major components reached 80% after precipitated by acetonitrile first and then extracted by ethyl acetate.
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