【Abstract】 Objective To establish the determination method of glycyrrhizic acid content in Lizhongtang compatible granule.Methods The Diamonsil-C18(150 mm×4.6 mm,5 μm) column was used.The mobile phase was CH3OH-0.2 mol/L CH3COONH4-CH3COOH(67 ∶33 ∶1) and the detecting wavelength at 250 nm.The flow rate was 1.00 mL/min and the column temperature was 40℃.Results The linear range of glycyrrhizic acid content determination was 0.573 6~4.015 2 μg,r=0.999 8.The average recovery was 99.12%,RSD=1.19%(n=9). Conclusi... 更多还原 【关键词】 理中汤配方颗粒; 甘草酸; 高效液相色谱法; 含量测定; 【Key words】 Lizhongtang compatible granule; glycyrrhizic acid; HPLC; content determination; 【基金】 国家“十五”重大科技专项,项目编号:2001BA701A40-1。