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HPLC 法测定小儿腹泻散中没食子酸的含量

Chinese Journal of Ethnomedicine and Ethnopharmacy(2015)

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Abstract
目的:建立小儿腹泻散中没食子酸的含量测定方法。方法:采用高效液相色谱法,色谱柱:Inert Sustain C18柱(250×4.6mm,5μm);检测波长:271nm;流速:1.0ml·min -1;柱温:40℃;流动相:甲醇-0.085%磷酸溶液(6∶94)。结果:没食子酸在1.55~62μg·ml -1范围内呈良好的线性关系,r =0.9999,平均回收率为99.24%,RSD =0.64%。小儿腹泻散中没食子酸的含量为5.18mg ·g -1,RSD =1.66%。结论:该方法操作简单、准确,可用于小儿腹泻散中没食子酸的含量测定及质量控制。
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Key words
HPLC,infantile diarrhea powder,gallic acid,content determination
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