聚酰胺柱层析
摘 要:目的:采用柱层析——分光光度法测定6批广藿香叶中总黄酮的含量。方法:以芦丁作参照物,在室温25℃下,510nm处测定广藿香叶中总黄酮的吸光度。结果:该方法在线性10.1~50.5μg/mL范围内,r=0.9996,平均回收率为97.2%~98.3%;RSD≤2.0%。结论:该方法测定广藿香叶中总黄酮,方法简便,灵敏度和准确度高。
关键词:紫外分光光度法;广藿香叶;总黄酮;芦丁
中图分类号:R285.5
文献标识码:A
文章编号:1673-7717(2008)03-0602-02
Determination of the Content of Total Flavonoid in Leaves of Pogostemon cablin(Blaneo) Benth. by Spectrophotometry
PANG He1,YANG Ming1,HU Li-ping1,TIAN Yuan2,KANG Ting-guo1
(1.Liaoning University of TCM,Shenyang 110032,Liaoning,China;2.The Affiliated
Hospital of Lioaning University of TCM,Shengyang 110032,Liaoning,China)
Abstract:Objective:Content of total flavoniod in leaves of Pogostemon cablin (Blaneo) Benth. was determination by spectrophotometry. Methods:The detection was set at 510nm and temperature at 25℃. Results:The method was linear within the range of 10.1~50.5mg/mL ......
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