High potency glucamylase and alapha amylase enzyme system by...

Details High potency glucamylase and alapha amylase enzyme system by... High potency glucamylase and alapha amylase enzyme system by...

C - Chemistry, Metallurgy

12

C

195/124, 195/2

C12C 11/00 (2006.01) C12N 9/30 (2006.01) C12N 9/34 (2006.01) C12P 19/20 (2006.01)

Patent

CA 1108077

ABSTRACT OF THE DISCLOSURE A process of producing a high potency glucamylase enzyme system, including the retention of alpha amylase, by cultivation under submersed aerobic conditions of a strain of Aspergillus niger NRRL 3112 and 3122 in a cereal grain medium of high concentration, by controlling the pH during the culti- vation within a range between 4.4 and 6, preferably between 4.5 and 5.5, and a process of saccharifying and fermen- ting a starch product to alcohol by adding thereto a ferment including an enzyme system produced by cultivation of such strain in a suitable growth medium. The use of such a ferment results in reduction in an amount of ferments to be required and high yield of alcohol.

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