C - Chemistry – Metallurgy – 12 – H
Patent
C - Chemistry, Metallurgy
12
H
195/3, 195/9
C12H 1/00 (2006.01) C12N 9/80 (2006.01)
Patent
CA 1311701
24205-753 Abstract of the Disclosure Alcoholic liquors containing carbamide are treated with the urease which has the optimal pH for the activity in an acid region, especially in the region of pH 2 to 5. By such treatment, the carbamide can be completely decomposed and removed from the alcoholic liquors in a much smaller amount of urease and in a short time as compared with the conventional treatment according to a urease having the optimal pH in the neutral to alkaline region. This method is more advantageous from the viewpoint of practical use and the quality of the thus obtained alcoholic liquors are superior to that obtained by the conventional treatment.
548738
Ichikawa Eiji
Imayasu Satoshi
Kakimoto Shigeya
Suizu Tetsuyoshi
Sumino Yasuhiro
Fetherstonhaugh & Co.
Gekkeikan Sake Company Ltd.
Takeda-Kirin Foods Corporation
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