乙醇——离子联合沉淀法分离茶多酚及果胶类物质的新工艺  

A new Process for the Separation of Tea Polyphenol and Pectin by Ethanol-ion Joint Precipiation

作　　者：吴增刚[1] 黄强[1] 蒋元力[1] 蒋登高[1] 

机构地区：[1]郑州工业大学化工系

出　　处：《郑州工业大学学报》1998年第1期47-51,共5页Journal of Zhengzhou University of Technology

基　　金：河南省科技攻关项目

摘　　要：介绍了一种乙醇———离子关合沉淀法制备茶多酚的新工艺，并对工艺过程进行优化。在最佳工艺条件下，茶多酚的收率可达到１２．１％，纯度达９２．３％。同时初步探讨了乙醇———离子联合沉淀法除果胶类物质的机理。In this paper,a new method for the preparation of tea polyphenol is introduced.The optimal conditions are obtained under which the yield and purity reach 12.1% and 92.3% respectively. The mechanism on the removal of pectin and protein from tea polyphenol is correspondingly studied.

关 键 词：茶多酚 乙醇 离子 联合沉淀法 果胶 分离 

分 类 号：TQ282[化学工程—有机化工] TQ432.7