高效液相色谱-串联质谱法测定大鼠血浆中淫羊藿素

被引:5
作者
刘海培 [1 ,2 ]
孟繁华 [1 ]
郭继芬 [1 ]
司端运 [3 ]
朱晓薇 [2 ]
赵毅民 [1 ]
机构
[1] 军事医学科学院毒物药物研究所
[2] 天津中医药大学
[3] 天津药物研究院
关键词
淫羊藿素; 高效液相色谱-串联质谱法; 浓度测定;
D O I
10.16438/j.0513-4870.2009.10.005
中图分类号
R285 [中药药理学];
学科分类号
1008 ;
摘要
建立高效液相色谱-串联质谱法测定大鼠血浆中淫羊藿素(ICT)。血浆样品经乙腈沉淀蛋白后,以乙腈-水-乙酸(72:28:1.5,v/v/v)为流动相,通过Dikma C18柱分离,采用电喷雾离子化四极杆串联质谱,以多反应监测(MRM)方式进行检测。用于定量分析的二级碎片离子分别为m/z387→m/z313(ICT)和m/z331→m/z315(麦黄酮,内标)。ICT血浆浓度测定方法的线性范围为2.5~1000ng·mL-1,定量限为2.5ng·mL-1。日内、日间精密度(RSD)均小于9.63%,准确度(RE)在±7.42%之内。本方法专属性强,灵敏度高,血浆用量少,适用于临床前药代动力学研究。
引用
收藏
页码:1140 / 1144
页数:5
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