Glucose isomerase activity of streptomyces kanamyceticus |
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Authors: | Debnath Mira Majumdar S K |
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Institution: | (1) Department of Food Technology and Biochemical Engineering, Jadavpur University, 700032 Caicutta, India |
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Abstract: | Summary
Streptomyces
kanamyceticus produces a significant level of intracellular glucose isomerase when grown in submerged culture. The optimum temperature for enzyme activity is 90°C, but the optimum pH is changed by the kinds of buffer solution used. The activity is higher at pH 7.0–9.5. Treatment of cells with cetyl trimethyl ammonium bromide extracts almost the same amount of the enzyme as ultrasonic treatment. The selection of the method of treatment for enzyme extraction depends, however, on the nature of cell growth in synthetic or complex medium. |
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