高效液相色谱法测定白花蛇舌草中异高山黄芩素的含量

Chinese Journal of Hospital Pharmacy(2014)

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Abstract
目的:建立HPLC法测定白花蛇舌草中新活性成分异高山黄芩素含量的方法.方法:采用Kromasil C18(150 mm×4.6 mm,5 μm)色谱柱,流动相为乙腈-0.1%磷酸(45∶55),检测波长280 nm,流速1.0 ml·min-1,柱温30℃.结果:异高山黄芩素在13.2~145.2μg·ml-1范围内线性关系良好(r=0.999 9).异高山黄芩素的平均加样回收率为99.77% (RSD=0.69%).结论:该方法简便,准确,可靠,可用于白花蛇舌草中异高山黄芩素的含量测定.
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isoscutellarein,hedyotis,diffusa willd,hplc
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