【摘要】 目的:建立以反相高效液相色谱法测定人血浆中倍他司汀浓度的方法。方法:色谱柱为C18,检测波长为261nm,流动相为0.05mol/L乙酸胺-乙腈-0.3mol/L十二烷基硫酸钠(60∶40∶1.5),流速为0.5ml/min。结果:倍他司汀检测浓度在24~480ng/ml范围内线性关系良好,提取回收率在81.75%~87.99%之间,日内和日间RSD分别为0.60%~4.82%和4.78%~12.15%。结论:本方法操作简便、快速、准确、重现性好,适用于人体倍他司汀的药动学研究。更多还原

【Abstract】 OBJECTIVE:To establish RP-HPLC method for the determination of betahistine in human plasma.METHODS:The separation of betahistine was performed on C18 column with a detection wavelength of 261nm.the mobile phase was composed of 0.05mol/L ammonium acetate-acetonitrile-0.3mol/L sodium lauryl sulphate (60∶40∶1.5)with a flow rate of 0.5ml/min.RESULTS:The linear range of betahistine was 24～480ng/ml,the recovery rate was 81.75%～87.99%with the intra-day RSD at 0.60%～4.82%and inter-day RSD at 4.78%～12.15%.CONCLUSION:This method developed in the present study is simple,fast,accurate and reproducible,which can be used as the pharmacokinetic study for betahistine in human body.更多还原