C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 9/10 (2006.01) C12N 1/20 (2006.01) C12P 19/02 (2006.01) C12P 19/18 (2006.01) C12P 21/02 (2006.01)
Patent
CA 2182059
This invention relates to heat resistant maltose phosphorylase having an activity of 80 % or more of the one untreated after treated in a buffer of pH 6.0, at one temperature of 50 to 60°C for 15 minutes, a process for preparation thereof, bacteria used for preparation thereof, and processes for preparation of .beta.-glucose-1 -phosphoric and trehalose using the enzyme. By carrying out enzymatic reaction at high reaction temperatures using this enzyme, it is possible to prepare .beta.-glucose-1- phosphoric acid or trehalose industrially advantageously, with lowering of contamination with various germs and shortening of reaction time.
Inoue Yasushi
Ishii Keiko
Tomita Tetsuji
Goudreau Gage Dubuc
Showa Sangyo Co. Ltd.
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