Abstract:In the present study, chicken feather powder was screened for its application as the substrate for the production of keratinolytic protease by Bacillus subtilis strain PS03. Bacillus subtilis produced a high level of keratinolytic protease using chicken feather powder as substrate. With feather powder as substrate, physical factors such as incubation time, pH and temperature were optimized for increased keratinolytic protease production by Bacillus subtilis. The enzyme production was enhanced when using maltos… Show more
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