儿茶中儿茶素含量测定方法专属性考察

Studies on the Specificity of Determination Method for Catechin and Epicatechin in Catechu

目的 考察儿茶中儿茶素含量测定方法的专属性。方法 用儿茶素含量测定方法测定儿茶等 8种中药材和3种儿茶制剂中儿茶素、表儿茶素含量。结果 取样量为儿茶取样量 10 0倍时 ,槟榔可同时检出儿茶素、表儿茶素 ,大黄、麻黄、地榆也能检出儿茶素。结论 该方法可以控制儿茶药材及其制剂质量 。

Objective: To study the specificity of the determination method for catechin and epicatechin in Catechu. Method: Contents of catechin and epicatechin in 7 kinds of crude drugs and 3 kinds of preparations of Catechu were determined. Results: As sampling 100 times as much as Catechu, catechin and epicatechin could be both detected in Semen Arecae, and catechin could be detected in Radix et Rhizoma Rhei, Herba Ephedrae and Radix Sanguisorbae. Conclusion:This method can be used for the quality control of Catechu and its preparations and is of specificity.