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Effect of organic solvents on enzymatic production of cyclodextrins from unliquefied corn starch in an attrition bioreactor.

作者信息

Lee Y D, Kim H S

机构信息

Department of Biological Science and Engineering, Korea Advanced Institute of Science and Technology, Cheongyang, Seoul 130-650 Korea.

出版信息

Biotechnol Bioeng. 1992 Apr 25;39(10):977-83. doi: 10.1002/bit.260391002.

DOI:10.1002/bit.260391002
PMID:18600897
Abstract

Cyclodextrins were produced from unliquified 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.

摘要

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