TLCS has been used to determine Gentiopicrin in Genliana Waltonii,results indicated that the content of Gentiopicrin was 0.467%,and the relative standard deviation(RSD)is 1.95%.

• 用薄层扫描法对黑皮秦艽中龙胆苦甙的含量进行测定，结果表明黑皮秦艽中龙胆苦甙的含量为0.；467%25，RSD=1