THE TLC UV SCANNING ASSAY FOR TANSHINONE IIA AND CRYPTOTANSHINONE IN YANGXUEZHITONG PILLS / 中药新药与临床药理

ABSTRACT

The TLC UV scanning assay for tanshinone IIA and cryptotanshinone in Yangxuezhitong pills was built up.Their wave lengths were 260 nm and 255 nm respectively.The regressive equation and coefficient of corelation were Y=40.48+5526.90X,r=0.9995 and Y=-12.91+5640.48X,r=0.9999 respectively.The recovery ratio of cryptotanshinone was(?)=102.62%.This me- thod is simple and convenient,and elicits accurate and reproduceable results.