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高效液相色谱法测定倍轻灵胶囊中磷脂酰胆碱的含量

Herald of Medicine(2009)

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Abstract
目的建立倍轻灵胶囊中磷脂酰胆碱的含量测定方法。方法采用高效液相色谱法,Hypersil SiO2色谱柱(4.6 mm×250 mm,5μm);柱温25℃;流动相:正己烷-异丙醇-水(55:40:5);流速1 mL.min-1;检测波长204 nm。结果磷脂酰胆碱进样量在0.6~6.0μg范围内与峰面积有较好的线性关系,回归方程为Y=2.258 9X-0.4996,r=0.9997;平均加样回收率98.11%,RSD1.54%。结论该方法简便,准确,可用于倍轻灵胶囊中磷脂酰胆碱的含量测定。
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