HPLC法测定乳痛宁糖浆中芍药苷的含量
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【摘要】 目的 建立以高效液相色谱法测定乳痛宁糖浆中芍药苷的含量。方法 HPLC法,以C18化学键合硅胶(4.6mm×150mm,5μm)为色谱柱,流动相为甲醇:水(30:70),流速:1.0ml·min-1,柱温:25℃;检测波长为230nm。结果 芍药苷检测浓度在16.68-122.32μg·ml-1范围内与峰面积值呈系良好线性关系,(r=0.998);平均加样回收率为99.30%,RSD=0.88%(n=9)。结论 本方法简便快捷、灵明度高、重现性好,可以作为该制剂的质量控制之一。
【关键词】 HPLC法;芍药苷;乳痛宁糖浆;含量测定
doi:10.3969/j.issn.1004-7484(x).2014.04.017
文章编号:1004-7484(2014)-04-1817-02
【Abstract】Objective To establish a method of determination of paeoniflorin in Rutongning syrup by HPLC.Methods The contents of paeoniflorin in Rutongning syrup were determination by HPLC.Results The calibration curre is linear in the range 16.68-122.32μg/mL(r=0.9998,n=7) for Rutongning syrup.The average recovery was 99.30﹪.RSD=0.88﹪(n=9).Conclusion The method is sample、quick、accurate and with a reproducibility and can be used for the quality control of the preparation ......
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