Content Determination of Paeonol in Shengui Tiaojing Pill by HPLC / 中国中医药信息杂志

Objective To establish a method of HPLC for determining the Paeonol in Shengui Tiaojing Pill. Method Agilent Hypersil-ODS-C18 (250 mm?4.0 mm, 5 ?m) was used, the mobile phase consisted of methanol-H2O (70∶30). The flow rate was 1.0 mL/min. The detecting wave length was at 274 nm. Results The method was linear at the range of 0.052～0.84 ?g for Paeonol (r=0.999 9). The average recovery was 99.94%. Conclusion The method is simple, sensitive, accurate and can be applied to the quality control of Paeonol in Shengui Tiaojing Pill.