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采用薄层扫描法测定了甘草中甘草次酸的含量,方法准确,稳定,灵敏,简便,回收率98.30%,变异系数2.20%。
The content of glycyrrhetinic acid in licorice was determined by TLC scanning method. The method was accurate, stable, sensitive and simple. The recovery rate was 98.30% and the coefficient of variation was 2.20%.