Yang J, Han G, Feng L, Dai J, Xu R, Cai M, Zhao M, Meng J
Hebei Provincial Institute for Drug Control, Shijiazhuang.
Zhongguo Zhong Yao Za Zhi. 1991 Apr;16(4):232-4, 255.
A TLC densitometric method for the determination of glycyrrhetinic acid in Radix Glycyrrhizae is described. The method is accurate, sensitive and simple. The recovery of glycyrrhetinic acid is 98.30% and the coefficient of variation of five samplings is 2.20%.
描述了一种用于测定甘草中甘草次酸的薄层色谱扫描法。该方法准确、灵敏且简便。甘草次酸的回收率为98.30%，五次进样的变异系数为2.20%。
