Refinement of grape seed extract with macroporous adsorbent resin

被引：0

作者：

Wang Weixin ^{[1
]}

Li Hua ^{[1
]}

Yuan Chunlong ^{[1
]}

Shen Jie ^{[1
]}

机构：

[1] Northwest A&F Univ, Coll Enol, Yangling 712100, Shaanxi, Peoples R China

来源：

Proceedings of the Fourth International Symposium on Viticulture and Enology | 2005年

关键词：

grape seed extract (GSE); polyphenols; macroporous; adsorbent resin; proanthocydin; refinement;

D O I：

暂无

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

In order to set up the optimum processing conditions, 4 types of macroporous adsorbent resin were investigated. The results showed that LSA-40 was the best for adsorbing and separating grape seed polyphenols. The optimum processing conditions were as follows: under room temperature, the sample of pH 3 was absorbed on the column at the rate of 2 bed volumes per hour, and eluted with 3 bed volumes of 50% ethanol. The eluant was stripped of alcohol under vaccum and freeze dried. Analysis showed that the purity of the dried eluant powder was 85.5%, while the purity of powder without purification was only 30.7%.

引用

页码：221 / 226

页数：6