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分析化学  2010 

高效液相色谱-蒸发光散射法测定牛黄中多种有效成分含量及其质量相关性研究

, PP. 522-526

Keywords: 牛黄,高效液相色谱-蒸发光散射检测,多组分,同时测定

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Abstract:

建立高效液相色谱-蒸发光散射法(HPLC-ELSD)同时快速测定牛黄中7种组分的含量的方法。色谱柱为UltimateAQ-C18柱,流动相为乙腈-0.2%甲酸水溶液,梯度洗脱,流速1mL/min;蒸发光散射检测器参数:漂移管温度100℃,载气(N2)流速1.9L/min。在选定色谱条件下,胆固醇、各种胆汁酸及其钠盐峰形良好且能达到很好地分离。各组分色谱峰峰面积的对数与浓度的对数呈良好线形关系(r>0.9972);标准加入回收率为98.8%~112.7%;7种组分的最低检出限为0.001~0.007g/L。本方法可简便、快速地同时检测不同牛黄样品中7种组分的含量并可表征不同牛黄样品的质量,从而为该名贵药材的质量控制提供更全面的依据和参考。

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