Recovery of catechin compounds from Korean tea by solvent extraction

被引：83

作者：

Row, KH ^{[1
]}

Jin, YZ ^{[1
]}

机构：

[1] Inha Univ, Dept Chem Engn, Ctr Adv Bioseparat Technol, Inchon 402751, South Korea

来源：

BIORESOURCE TECHNOLOGY | 2006年 / 97卷 / 05期

关键词：

catechin compounds; solvent extraction; recovery; green tea;

D O I：

10.1016/j.biortech.2005.04.001

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Catechin compounds from Korean green tea as potential sources of anticancer and antioxidant components were target materials in this work. The methodologies of solvent extraction and partition were utilized to recover catechin compounds from green tea. The optimum experimental condition was obtained by optimizing operating factors, such as, the extraction solvent, extraction time and operating temperature. After extracting the green tea with water at 80 degrees C for 40 min, the extract was partitioned with water/chloroform, which was best suited to remove caffeine impurity from the extract. Further, the resulting extract was partitioned water/ethyl acetate to deeply purify the catechin compounds of EGQ EC, EGCG and ECG. The experimental result in this work could be extended to preparative HPLC to obtain EGCG on commercial scale. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：790 / 793

页数：4

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