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高效液相色谱法测定赤芍中芍药苷的含量 被引量:10

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摘要 目的建立赤芍中芍药苷的含量测定方法 ,探讨不同溶液提取对芍药苷含量的影响。方法采用甲醇和70%乙醇超声提取样品,用Agileni1100型高效液相色谱仪,Agilent Eelipse XDBC18(4.6mm×250mm,5μm)色谱柱,柱温:25℃,流动相:V(乙腈):V(0.1%磷酸溶液)=14:86,流速:1.0ml/min,检测波长:230nm,进样体积10μL。结果芍药苷进样量在0.27μg~1.60μg范围内与峰面积呈良好线性关系,R=0.9998;平均回收率为100.34%,RSD=0.46%。乙醇提取液中芍药苷的平均含量为0.0700μg/ml(n=3),甲醇提取液中芍药苷的平均含量为0.0462μg/ml(n=3)。结论采用70%乙醇作为溶液提取赤芍芍药苷得率高;本实验所建立的方法重复性良好,准确度较高,可用于赤芍中芍药苷的质量控制。
出处 《医学信息》 2010年第14期2342-2343,共2页 Journal of Medical Information
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