UPLC法同时测定冠心丹参胶囊中紫草酸和迷迭香酸的含量
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篇名: UPLC法同时测定冠心丹参胶囊中紫草酸和迷迭香酸的含量
TITLE:
摘要: 目的:建立同时测定冠心丹参胶囊中紫草酸和迷迭香酸含量的方法。方法:采用超高效液相色谱法。色谱柱为ACQUITY UPLC-BEH C18,流动相为0.1%甲酸-甲醇溶液(梯度洗脱),流速为0.3 ml/min,检测波长为280 nm,柱温为30 ℃,进样量为5 μl。结果:紫草酸和迷迭香酸的检测质量浓度线性范围分别为 0.019~0.76、0.005~0.2  mg/ml(r=0.999 9、0.999 7);精密度、稳定性、重复性试验的RSD<2%;加样回收率分别为97.34%~101.24%(RSD=1.57%,n=6)、98.30%~100.39%(RSD=0.86%,n=6)。结论:该方法操作简便、结果准确、重复性好,可用于冠心丹参胶囊中紫草酸和迷迭香酸的含量测定。
ABSTRACT: OBJECTIVE: To establish a method for the simultaneous determination of lithospermic acid and rosmarinic acid in Guanxin danshen capsule. METHODS: UPLC was performed on the column of ACQUITY UPLC-BEH C18 with mobile phase of 0.1% formic acid-methanol solution (gradient elution) at a flow rate of 0.3 ml/min, detection wavelength was 280 nm, column temperature was 30 ℃, and the injection volume was 5 μl. RESULTS: The linear range was 0.019-0.76 mg/ml for lithospermic acid (r=0.999 9) and 0.005-0.2 mg/ml for rosmarinic acid (r=0.999 7); RSDs of precision, stability and reproducibility tests were lower than 2%; recoveries were 97.34%-101.24%(RSD=1.57%,n=6) and 98.30%-100.39%(RSD=0.86%,n=6). CONCLUSIONS: The method is simple, accurate and reproducible, and can be used for the contents determination of lithospermic acid and rosmarinic acid in Guanxin danshen capsule.
期刊: 2016年第27卷第18期
作者: 张福君,张冬璇
AUTHORS: ZHANG Fujun,ZHANG Dongxuan
关键字: 超高效液相色谱法;冠心丹参胶囊;紫草酸;迷迭香酸
KEYWORDS: UPLC; Guanxin danshen capsule; Lithospermic acid; Rosmarinic acid
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