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KMID : 0665219890020010001
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Korean Journal of Food and Nutrition
1989 Volume.2 No. 1 p.1 ~ p.11
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A Study on the Production of Glucose Isomerase by Alkalophilic Streptomyces sp. B-2
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Abstract
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Glucose isomerase (E. C. 5. 3. 1. 5) which reversibly catalyzes reaction between D-glucose and D-fructose was demonstrated in cell free extracts of alkalophilic Streptomyces sp. B-2 isolated from soil. The optimum temperature, pH, and pH stability were 60℃, 10.5, and 7.8, respectively.
The production of GI in xylose and yeast extract was higher than that of other carbon source and nitrogen source. The GI production was affected by Co^2+ and Mg^2+.
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