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目的:建立消癖胶囊中芍药苷的含量测定方法。方法:采用Krornasil ODS C_(18)B050911色谱柱,流动相为乙腈- 0.1%磷酸(14:86)。流速为1.0 ml·min~(-1),检测波长为230 nm,柱温为30℃。结果:芍药苷在0.2104～0.6312μg范围内线性关系良好,r=0.999 7,平均加样回收率为99.80%,RSD为0.69%。结论:此测定方法准确,重现性好,可作为消癖胶囊的质量控制方法。
Objective: To establish a method for the determination of paeoniflorin in Xiaozhi Capsule. METHODS: A Krornasil ODS C_(18)B050911 column was used. The mobile phase was acetonitrile-0.1% phosphoric acid (14:86). The flow rate was 1.0 ml·min~(-1), the detection wavelength was 230 nm, and the column temperature was 30°C. Results: There was good linearity in the range of 0.2104～0.6312μg, r=0.999 7. The average recovery was 99.80% and the RSD was 0.69%. Conclusion: This method is accurate and reproducible. It can be used as a quality control method for Xiaoying Capsule.