Raw starch digesting amylase from Thermoactinomyces thalpophilus F13 |
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| Authors: | B. N. Okolo L. I. Ezeogu C. O. Ebisike |
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| Affiliation: | (1) Department of Microbiology, University of Nigeria, Nsukka, Nigeria |
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| Abstract: | Thermoactinomyces thalpophilus produced a raw-starch digesting amylase (RSDA) when grown on both cereal and tuber starches. Glucose, maltose and glycerol repressed enzyme production. Highest activity was recorded on rice starch (39 U ml-1). Considerable variability existed in the effectiveness of nitrogenous nutrients to stimulate expression of RSDA. Multiple pH optima for RSDA production and activity suggests enzyme heterogeneity. |
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| Keywords: | Amylase production raw starch Thermoactinomyces thalpophilus F13 |
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