Quality Standard Study for Gegenbao Soft Capsule / 中药新药与临床药理

Objective To study the quality standard of Gegenbao Soft Capsule.Methods The qualitative identification of puerarin and daidzein was carried out by TLC,and the contents of puerarin and daidzein were determined by HPLC.Results Puerarin and daidzein could be identified by TLC with high specificity.The linearity was from 0.214 to 1.42 ? g for puerarin and from 0.033 to 0.221 ? g for daidzein by HPLC,and the average recovery was 101.5 % for puerarin and 96.6 % for daidzein with RSD 1.6 % and 1.8 % respectively(n=6).Conclusion This method is simple,accurate and reliable for the quality control of Gegenbao Soft Capsule.