Determination of Baicalin in Ganteling Jiaonang by HPLC / 中国中医药信息杂志

Objective To establish the method for detemining the content of Baicalin in Ganteling Jiaonang by HPLC.Methods Using Diamonsil ODS1 C18 Column,methanol-water-phosphoric acid(50:50:0.2) as the mobile phase,detection wavelength as 280 nm and flow rate was 1.0 mL/min.Results The calibration curve was linear at the range of 0.125 6～1.004 8 ?g for Baicalin and linear equation was Y= 95 952X+8 108.6,r2=0.999 7.The average recovery was 98.8% and RSD was 1.64%(n=6).Conclusion This method was simple,accurate,proper,and the reduplication of the result was good,which provide scientific quantitative analysis method for the determination of Baicalin in Ganteling Jiaonang.