摘要
目的建立猪肺表面活性物质及其冻干粉中7种磷脂组分的含量测定方法。方法采用硅胶柱,梯度洗脱,蒸发光散射检测器检测。结果磷脂酰甘油(PG)、磷脂酰乙醇胺(PE)、磷脂酰肌醇(PI)、磷脂酰丝氨酸(PS)、二棕榈酰磷脂酰胆碱(DP-PC)、鞘磷脂(SPH)、浴血磷脂酰胆碱(LPC)7种磷脂的线性回归方程的相关系数分别为0.999 0,0.998 4,0.999 0,0.999 3,0.999 8,0.998 8,0.998 1;日内精密度分别为2.1%,2.3%,2.8%,1.7%,1.5%,2.3%,2.3%;回收率分别为99.57%,101.03%,100.02%,100.17%,98.51%,100.65%,97.76%。结论本方法可同时测定猪肺表面活性物质及其冻干粉中7种磷脂组分的含量,专属性强、准确度高。
Abstract
OBJECTIVE To develop a HPLC-ELSD method for the determination of seven phospholipid components in porcine pulmonary surfactant and its lyophilized powder.METHODS The samples were separated on a silica column with gradient elution and detected by evaporative light scattering detector.RESULTS The correlation coefficients of linear regression equation for phosphatidylglycerol(PG),phosphatidylethanolamine(PE),phosphatidylinositol(PI),phosphatidylserine(PS),dipalmitoyl-phosphatidylcholine(OPPC),sphingomyelin(SPH) and lysophophatidylcholine(LPC),were 0.999 0,0.998 4,0.999 0,0.999 3,0.999 8,0.998 8 and 0.998 1 respectively.The intraday precisions were 2.1%,2.3%,2.8%,1.7%,1.5%,2.3% and 2.3%,respectively.The recoveries were 99.57%,101.03%,100.02%,100.17%,98.51%,100.65% and 97.76%,respectively.CONCLUSION The method is accurate and specific,it can be used for the determination of seven phospholipid components in porcine pulmonary surfactant and its lyophilized powder simultaneously.
关键词
高效液相色谱-蒸发光散射检测器 /
猪肺表面活性物质 /
冻干粉
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Key words
HPLC-ELSD /
porcine pulmonary surfactant /
lyophilized powder /
phospholipid
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叶小敏;田颂九;李慧义;张启明.
HPLC-ELSD测定猪肺表面活性物质及其冻干粉中7种磷脂组分含量[J]. 中国药学杂志, 2007, 42(12): 938-942
YE Xio-min;TIN Song-jiu;LI Hui-yi;ZHNG Qi-ming.
Determination of Seven Phospholipid Components in Porcine Pulmonary Surfactant and Its Lyophilized Powder by HPLC-ELSD Method [J]. Chinese Pharmaceutical Journal, 2007, 42(12): 938-942
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脚注
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