LC-MS/MS法测定大鼠血浆中芍药内酯苷的浓度及其在毒代动力学研究中的应用

Journal of International Pharmaceutical Research(2017)

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Abstract
目的 建立测定大鼠血浆中芍药内酯苷的液相色谱-串联质谱(LC-MS/MS)法.方法 血浆样品经乙酸乙酯-异丙醇(95:5,V/V)提取后,以Poroshell 120 EC-C18柱(50 mm×2.1 mm,2.7μm)为分析柱,乙腈-水为流动相梯度洗脱,采用ESI源在多反应监测(MRM)方式下进行正离子检测.用于定量分析的离子反应为m/z 498.5→m/z 197.1(芍药内酯苷)和m/z 251.3→m/z 108.2(拉科酰胺,内标).结果 芍药内酯苷血浆浓度测定方法的线性范围为20~2000 ng/ml,日内、日间精密度RSD%均<15%,准确度(RE)在±8.06%之间.结论 该法适用于芍药内酯苷在大鼠体内的毒代动力学研究.
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Key words
albiflorin,LC-MS/MS,toxicokinetics
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