UPLC法同时测定丹参片中6种酚酸类成分的含量

目的采用超高效液相色谱法(UPLC)同时测定8个厂家74批次丹参片中6种酚酸类成分(丹参素钠、原儿茶醛、迷迭香酸、紫草酸、丹酚酸B和丹酚酸A)的含量。方法采用UPLC法,色谱柱为Waters BEH C₁₈(100 mm×2.1 mm,1.7μm)。以乙腈(A)-1 mL·L^-1磷酸溶液(B)为流动相,梯度洗脱(0～14 min,6%B→23%B;14～20 min,23%B→39%B);柱温:25℃;样品管理器温度:4℃;流速:0.3 mL·min^-1;检测波长:280 nm。结果丹参素钠、原儿茶醛、迷迭香酸、紫草酸、丹酚酸B和丹酚酸A的进样量分别在0.203 1～8.125 0,0.020 8～0.832 0,0.087 9～3.516 0,0.085 3～3.412 0,0.125 8～5.034 0和0.125 4～5.015 0μg范围内与色谱峰峰面积呈良好的线性关系;平均回收率(n=6)分别为99.2%,99.6%,99.5%,98.7%,99.3%和98.9%,RSD值分别为0.49%,0.79%,0.48%,0.92%,0.40%和0.88%。结论所建立的方法经方法学验证简便、快捷、准确、重复性好,可作为丹参片的质量控制方法。

Simultaneous determination of 6 phenolic acids in Danshen Tablets by UPLC

QIN Xueling;YANG Lulu;MA Na;JIANG Xinping;QIN Xingwei(The Food and Drug Supervision and Inspection Institute in Yunnan Province,Kunming 650011,China;The 920th Hospital of the Joint Logistic Support Force of the Chinese People′s Liberation Army,Kunming 650032,China;Yunnan Baikang Pharmaceutical Limited Company,Kunming 650106,China;Kunming Sainuo Pharmaceutical Limited Company,Kunming 650011,China)