Use of a cyclodextrin-enhancing solute in the hydrolysis of...

Details Use of a cyclodextrin-enhancing solute in the hydrolysis of... Use of a cyclodextrin-enhancing solute in the hydrolysis of...

C - Chemistry, Metallurgy

12

P

195/138

C12P 19/18 (2006.01)

Patent

CA 1311706

"USE OF A CYCLODEXTRIN-ENHANCING SOLUTE IN THE HYDROLYSIS OF STARCH FEEDSTOCKS" ABSTRACT The yield of cyclodextrins formed in the hydrolysis of starch catalyzed by a cyclodextrin glycosyltransferase can be substantially increased by the addition of certain water- soluble solutes. Alcohols containing 1 to 6 carbon atoms form one such class, with ethanol and isopropyl alcohol being especially effective. Where an immobilized cyclodextrin glycosyltransferase is used yields of beta-cyclodextrin can be increased from approximately 20% to almost 40% using 15% isopropyl alcohol in a thinned starch feedstock, with glucose production being increased by only about 25%.

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