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Production of α-amylase enzyme by Bacillus Lichenoformis using stirred tank fermentor (BIOSTAT -E) was carried out. The strain was obtained from National Chemical Laboratory, Pune, India. Corn starch is used as the substrate. The enzyme production was studied by changing the various parameters like temperature, pH, rpm and substrate concentration. The biomass cell concentration shows maximum at a temperature of 35 0 C -37 0 C, pH 8 and 300 rpm. The maximum enzyme production was achieved, for 1% concentration of cornstarch at 35 0 C and pH 8 using the fermentation medium contains yeast extract and peptone and the cell concentration was found to be 2.882 gm dry weight/lit. Since the cost of yeast extract and peptone is very high, so the further work was done using some low cost carbon and nitrogen sources like defatted cotton seed, defatted soya flour and mustard seed which are extracted from agricultural byproducts.
M. Sathiyamoorthy. 2014. \u201cStudy on Cell Concentration in the Production and Optimization of High Temperature Alkaline I-Amylase Enzyme by Bacillus Lichenoformis using Low Cost Medium Derived from Agricultural by products\u201d. Global Journal of Science Frontier Research - G: Bio-Tech & Genetics GJSFR-G Volume 14 (GJSFR Volume 14 Issue G2): .
Crossref Journal DOI 10.17406/GJSFR
Print ISSN 0975-5896
e-ISSN 2249-4626
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Total Score: 127
Country: United Arab Emirates
Subject: Global Journal of Science Frontier Research - G: Bio-Tech & Genetics
Authors: M. Sathiyamoorthy, Dr. S.Theneshkumar (PhD/Dr. count: 1)
View Count (all-time): 135
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Publish Date: 2014 07, Thu
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Production of α-amylase enzyme by Bacillus Lichenoformis using stirred tank fermentor (BIOSTAT -E) was carried out. The strain was obtained from National Chemical Laboratory, Pune, India. Corn starch is used as the substrate. The enzyme production was studied by changing the various parameters like temperature, pH, rpm and substrate concentration. The biomass cell concentration shows maximum at a temperature of 35 0 C -37 0 C, pH 8 and 300 rpm. The maximum enzyme production was achieved, for 1% concentration of cornstarch at 35 0 C and pH 8 using the fermentation medium contains yeast extract and peptone and the cell concentration was found to be 2.882 gm dry weight/lit. Since the cost of yeast extract and peptone is very high, so the further work was done using some low cost carbon and nitrogen sources like defatted cotton seed, defatted soya flour and mustard seed which are extracted from agricultural byproducts.
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