建立了超高效液相色谱-质谱/质谱联用法(UPLC-MS/MS)测定人血浆中辛伐他汀的浓度.血浆样品经乙醚-正己烷-异丙醇(体积比为80∶20∶3)提取,以洛伐他汀为内标,采用ACQUITY UPLCTM BEH C18柱(50 mm×2.1 mm,1.7 μm)分离,以乙腈-10 mmol/L乙酸铵水溶液(体积比为85∶15)为流动相,流速为0.25 mL/min,通过电喷雾离子化,采用多反应监测(MRM)方式进行正离子检测.线性范围为0.051～20.4 ng/mL,日内及日间测定的相对标准偏差不高于10% ,平均回收率为91.6% .方法灵敏度高,分析速度快,操作简便,适用于辛伐他汀药物动力学和生物等效性研究.
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