【Abstract】 Objective To establish a HPLC method for the determination of baicalin contents in Huanglianshangqing Tablet.Methods The column was Diamonsil C18( 150 mm× 4.6 mm,5 μ m) .The mobile phase was a mixture of methanol and 2% acetic acid solution( 55 ∶ 45) at a flow rate of 1.0 mL/ min, and the detecting wavelength was at 274 nm,the temperature was 26℃ .Results The linear range of baicalin was 0.11- 2.20 μ g(r=0.999 9) and the average recovery rate was 100.77% ,RSD=1.32% (n=6).Conclusion The method is... 更多还原 【关键词】 黄连上清片; 黄芩苷; 高效液相色谱法; 含量; 【Key words】 Huanglianshangqing tablet; baicalin; HPLC; content;