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测定大黄中总蒽醌含量的分光光度法改进
引用本文:刘翠哲,王汝兴,刘喜纲.测定大黄中总蒽醌含量的分光光度法改进[J].天津中医药大学学报,2004,21(4):335-336.
作者姓名:刘翠哲  王汝兴  刘喜纲
作者单位:承德医学院中药研究所, 承德, 067000;承德医学院中药研究所, 承德, 067000;承德医学院中药研究所, 承德, 067000
基金项目:河北省医药开发重大项目 (No:02276408D-2)
摘    要:目的]改进大黄药材中总蒽醌的含量测定方法。方法]1,8-二羟基蒽醌与碱显色后,2h内隔时扫描光谱图;对照品和样品同样处理后绘制标准曲线。结果]确定了最大吸收波长,消除了测定过程中样品湿热降解带来的误差。结论]通过方法学考察,证明此方法精密准确、回收率高,可以作为大黄中总蒽醌的含量测定方法。

关 键 词:大黄  总蒽醌  分光光度法  最大吸收波长  降解
收稿时间:2004/4/5 0:00:00

Inprovement of determing method total Rehum Anthrapuinone in Rehum Herb by visible-spectophotometric
LIU Cui-zhe,WANG Ru-xing and LUI Xi-gang.Inprovement of determing method total Rehum Anthrapuinone in Rehum Herb by visible-spectophotometric[J].Journal of Tianjin University of Traditonal Chinese Medicine,2004,21(4):335-336.
Authors:LIU Cui-zhe  WANG Ru-xing and LUI Xi-gang
Institution:Institute of Chinese Materia Medica, Chengde Medical College, Chengde06700, China;Institute of Chinese Materia Medica, Chengde Medical College, Chengde06700, China;Institute of Chinese Materia Medica, Chengde Medical College, Chengde06700, China
Abstract:Objective] To improve the determining method of total Rehum anthrapuinone in Rehum herb by visible-spectrophotometric.Methods] Scanning the spectrum interval in two hours after the coloration of1.8-dihydro- anthrapuine and alkine.The standard curbe was drawn after that the control was handled with same process as samples.Result] The maximum wavelength was confirmed.The error due to wet hot decomposing of the sample during the determination course was eliminated.Conclusion] By the methodology inspection,the method.
Keywords:
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