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作 者:刘莹莹[1] 陈海芳[1] 李明[1] 张瑜[1] 袁金斌[1] 杨武亮[1]
机构地区:[1]江西中医学院现代中药制剂教育部重点实验室,南昌330004
出 处:《江西中医学院学报》2011年第6期45-48,共4页Journal of Jiangxi College of Traditional Chinese Medicine
基 金:国家自然科学基金(30660230);科技部新药创制重大专项(2009ZX09103-350);江西省卫生厅中医药科研计划项目(2011A133)
摘 要:目的:建立同时测定Beagle犬血浆中柚皮苷和新橙皮苷的LC-MS/MS分析方法。方法:以芦丁为内标,血浆样品经乙腈沉淀蛋白处理,采用Diamonsil C18(150 mm×4.6 mm,5μm)色谱柱,以乙腈-0.1%甲酸水(25:75)为流动相,流速为0.4 ml/min,柱温20℃;采用ESI(+)离子源,MRM扫描检测离子对为柚皮苷m/z 581→273、新橙皮苷m/z 611→303、芦丁(内标)m/z611→303。结果:血浆中柚皮苷在0.025~2.5μg/ml、新橙皮苷在0.015~1.5μg/ml浓度范围内线性关系良好,二者的方法回收率均近100%,分析方法的日内日间精密度RSD值均小于10%,内源性物质不干扰样品测定。结论:本方法简便、准确、灵敏度高、专属性好,适用于Beagle犬血浆中柚皮苷和新橙皮苷测定及其体内药代动力学的研究。Objective: To establish an LC-MS/MS method for the simultaneous determination of naringin and neohesperidin in Beagle dog plasma.Method: The plasma protein was precipitated by acetonitrile.The Diamonsil Cl8(150 mm×4.6 mm,5 μm)column was used as analytical column with a mobile phase consisted of acetonitrile-0.1%formic acid(25:75).The flow rate was 0.4 ml/min.The temperature of column was 20℃.Rutin was adopted as the internal standard.The detection was performed by MRM mode via electrospray ionization(ESI)sourse operating in the positive ionization mode;The precursor-to-product ion transitions of the analyte naringin is m/z 581→273,neohesperidin is m/z 611→303,rutin(internal standard)is m/z 611→303.Results: The method had good linear relationship within the range of 0.025-2.5 μg/ml for naringin and 0.015-1.5 μg/ml for neohesperidin in plasma.The method recovery of two drugs is nearly 100% and the RSD for inter-and intra-day were less than 10%.Endogenous matrix did not interfere with the analysis.Conclusions: The method was shown to be simple,accurate,sensitive and good reproducibility for the determination of naringin and neohesperidin in beagle dog plasma.It was suitable for pharmacokinetics study of naringin and neohesperidin.
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