Determination of Baicalin in Muxiangliqi Tablet by HPLC / 中国中医药信息杂志

ABSTRACT

Objective To develop a method for the determination of Baicalin in Muxiangliqi tablet. Methods To determine the quantity of Baicalin in the Muxiangliqi tablet by HPLC. The mobile phase was MeOH-H2O-Glacial acetic acid (42∶55∶3). The velocity of flow was 1.0 mL/min. The detectionavelength was 280 nm. The column temperature was room temperature. Results The curve of baicalin was lindar at the range of 0.201～4.02 ?g. The average recovery rate was 96.61%, RSD=1.10%. Conclusion The method was simple, sensitive and stable, and can be used as the method of quality control for Muxiangliqi tablet.