EFFECT OF ORGANIC-SOLVENTS ON ENZYMATIC PRODUCTION OF CYCLODEXTRINS FROM UNLIQUEFIED CORN STARCH IN AN ATTRITION BIOREACTOR

被引：27

作者：

LEE, YD ^{[1
]}

KIM, HS ^{[1
]}

机构：

[1] KOREA INST SCI & TECHNOL, DEPT BIOL SCI & ENGN, SEOUL 130650, SOUTH KOREA

来源：

BIOTECHNOLOGY AND BIOENGINEERING | 1992年 / 39卷 / 10期

关键词：

CYCLODEXTRINS; CYCLODEXTRIN GLYCOSYLTRANSFERASE (CGTASE); ORGANIC SOLVENTS; ATTRITION BIOREACTOR;

D O I：

10.1002/bit.260391002

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Cyclodextrins were produced from unliquefied corn starch in the presence of water-miscible organic solvents using cyclodextrin glycosyltransferase (CGTase) in an attrition bioreactor. The production yield was significantly increased by isopropanol and tertiary butanol, and maximum enhancement was observed to be about 40% by 5% tertiary butanol. Increase in the production of cyclodextrins by organic solvents seems to be due to the fact that organic solvents decreased the product inhibition of CGTase by forming an inclusion complex with cyclodextrins.

引用

页码：977 / 983

页数：7

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