儿茶及儿茶提取物的质量标准研究  

Study on quality standard of Catechu and its extract

作　　者：冯怡[1] 李媛[1] 付荣杰[1] 徐德生[1] 

机构地区：[1]上海中医药大学,上海201203

出　　处：《中成药》2004年第4期325-328,共4页Chinese Traditional Patent Medicine

摘　　要：目的 :研究儿茶及儿茶提取物的质量标准。方法 :采用HPLC法测定儿茶及儿茶提取物中儿茶素及表儿茶素的含量 ;采用紫外分光光度法测定儿茶及儿茶提取物中活性鞣质的含量。结果 :儿茶中儿茶素 ,表儿茶素含量分别为 19.4 ,4 .36 g/ 10 0 g ,儿茶总提物中儿茶素 ,表儿茶素含量分别为 4 8.39,3.94g/ 10 0 g。 结论 :本文所提供的方法准确、重复性好 ,为儿茶及儿茶总提物的质量控制提供了依据。AIM: To study the quality standard on catechu and its extract. METHODS: HPLC was used to determine the contents of (+) Catechin and (-) Epicatechin in catechu and its extract; UV spectrophotometry was applied to determine the contents of active tannic acid in catechu and its extract. RESULT: The contents of catechin and epicatechin are 19.4 and 4.36g/100g in catechu, respectively, and catechin and epicatechin are 48.39 and 3.94g/100g in its extract respectively. CONCLUSION: The method is accurate and reproducible, providing the basis for quality control of catechu and its extract.

关 键 词：儿茶 HPLC 质量标准 

分 类 号：R284.1[医药卫生—中药学]