高效液相色谱法同时测定藿香正气水中甘草酸、欧前胡素、异欧前胡素、厚朴酚、和厚朴酚的含量

目的:建立高效液相色谱法测定藿香正气水中甘草酸、欧前胡素、异欧前胡素、厚朴酚、和厚朴酚的含量。方法:采用C_(18)色谱柱(250 mm×4.6 mm,5 μm),以0.05%甲酸水溶液(A)-乙腈(B)为流动相,梯度洗脱(10 min,40%B;25 min,45%B;30 min,50%B;60 min,55%B),流速1.0 mL·min~(-1),检测波长254 nm。结果:甘草酸、欧前胡素、异欧前胡素、厚朴酚、和厚朴酚进样量分别在0.094～0.470,0.041～0.205,0.018～0.090,0.235～1.175,0.311～1.555μg范围内与峰面积呈良好的线性关系(r≥0.9998);平均同收率(n=6)分别为98.3%,99.6%,98.6%,98.0%,99.6%。结论:方法准确、灵敏,专属性强,为藿香正气水提供了多指标含量测定的质量控制方法。

Simultaneous HPLC determination of five components in Tincture Huoxiang Zhengqi