Study on quality standard of Catechu and its extract
- VernacularTitle:儿茶及儿茶提取物的质量标准研究
- Author:
Yi FENG
;
Yuan LI
;
Rongjie FU
;
Desheng XU
;
- Publication Type:Journal Article
- Keywords:
catechu;
HPLC;
quality standard
- From:
Chinese Traditional Patent Medicine
1992;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
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.
