| 摘要 |
1285173 Alpha-amylase GLAXO LABORATORIES Ltd 29 Aug 1969 [9 Sept 1968] 42856/68 Heading C3H Anα-amylase having defined characteristics is produced by the submerged aerobic culture of a strain of Bacillus coagulans. The characteristics are a molecular weight of 11,000Œ1000, an optimum pH (which is calcium-dependent) of 4À8 at 37‹ C., a thermal stability which is also calcium-dependent, a tendency to degrade starch into units of 6 glucose residues, the ability to attack the cycloheptamylose system in some #- dextrins, and a specified electrophoretic mobility.
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