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从刘寄奴中提取总黄酮，用聚酰胺层析分离，通过紫外分光光度法测定总黄酮含量为0.18％。
The total flavonoids were extracted from Liu Shouhuo and separated by polyamide chromatography. The content of total flavonoids was determined by ultraviolet spectrophotometry to be 0.18%.