高效液相色谱法测定不同产地土茯苓药材中落新妇苷的含量

CHINA MEDICAL HERALD(2010)

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Abstract
目的:建立高效液相法测定土茯苓药材中落新妇苷含量的方法.方法:采用Luna-C18(4.6 mm×250 mm,5μm)色谱柱;流动相:甲醇-水-冰醋酸(40:60:0.2);检测波长:290nm;流速:1.0 ml/min.结果:落新妇苷在0.196~1.960 μg范围内与峰面积呈良好的线性关系(r=0.999 9),平均回收率为98.34%,RSD=1.80%(n=6).结论:本方法简便、准确、重现性好,可用于土茯苓药材中落新妇苷的质量控制.
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astilbin,smilax glabra roxb
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