Determination of Active Principles in Zhibai Dihuang Pill

Abstract:

Using TLCS, a method was descrided for determination of sarsasapogenin and berberine hydrochloride content in Zhibai Dihuang pill.The method was accurate and sensitive, and no interference of the other compositions was observed in the determination. Therefore,the method for estimating berberine level can be recommended for the quality control of Zhibai Dihuang pill.