徐礼燊, 刘爱茹. 中草药有效成分的分析Ⅲ.儿茶中儿茶素的测定J. 药学学报, 1980, 15(10): 636-640.
引用本文: 徐礼燊, 刘爱茹. 中草药有效成分的分析Ⅲ.儿茶中儿茶素的测定J. 药学学报, 1980, 15(10): 636-640.
Xu Lixin, Liu Airu. DETERMINATION OF ACTIVE PRINCIPLES IN CHINESE HERBAL DRUGS Ⅲ.DETERMINATION OF CATECHIN IN ACACIA CATECHU(L)WILLD.J. Acta Pharmaceutica Sinica, 1980, 15(10): 636-640.
Citation: Xu Lixin, Liu Airu. DETERMINATION OF ACTIVE PRINCIPLES IN CHINESE HERBAL DRUGS Ⅲ.DETERMINATION OF CATECHIN IN ACACIA CATECHU(L)WILLD.J. Acta Pharmaceutica Sinica, 1980, 15(10): 636-640.

中草药有效成分的分析Ⅲ.儿茶中儿茶素的测定

DETERMINATION OF ACTIVE PRINCIPLES IN CHINESE HERBAL DRUGS Ⅲ.DETERMINATION OF CATECHIN IN ACACIA CATECHU(L)WILLD.

  • Abstract: A method is described for the coulometric titration of small amounts of catechin (0.1 mg) with electrogenerated bromine in a mixture of IM KBr-2 N HCl-EtOH (15: 15: 10), the end-poim was detected by dead-stop method.Catechin reacts with two moles of bromine with an value of 4. The method is suitable for determining small amount of catechin in Acacia catechu (L.) willd.

     

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