Influence of pretreatment of agriculture residues on phytase production by Aspergillus niger NCIM 563 under submerged fermentation conditions

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dc.contributor.authorKhire, J.M.
dc.contributor.authorSarvesh Kumar Soni
dc.contributor.authorParin Shah
dc.contributor.authorKavita Bhavsar
dc.date.accessioned2014-05-06T05:53:55Z
dc.date.available2014-05-06T05:53:55Z
dc.date.issued2008
dc.description.abstractThe extracellular phytase production by Aspergillus niger NCIM 563 was evaluated in medium containing various agriculture residues under submerged fermentation conditions. Phytase production was affected by inorganic phosphate content of agriculture residues which ranged from 2.8 to 8 mg/g. The agriculture residues containing less than 4 mg/g inorganic phosphate supported phytase production with maximum activity of 68 IU/ml in medium containing 1% rice bran on 11th day of fermentation. Addition of glucose up to 5% in fermentation medium containing 1% rice bran, enhanced phytase production. Pretreatment of agriculture residues with water to remove excess inorganic phosphate has significantly enhanced the phytase activity in case of de-oiled rice bran, wheat bran, peanut cake (low and high oil) and coconut cake. Maximum increase of 20.3 times in phytase activity was observed in case of wheat bran as compared to de-oiled rice bran, coconut cake, peanut cake high and low oil in which the increase in phytase activity was 6.85, 6.1, 5.3 and 3.0 times, respectively. Maximum phytase activity of 68 IU/ml was produced on the 11th day of fermentation compared to earlier reported 41.47 IU/ml phytase activity on the 15th day of submerged fermentation using 5% dextrin and 2.5% glucose, thus increasing productivityen_US
dc.identifier.citationAfrican Journal of Biotechnology Vol. 7 (8), pp. 1101-1106, 17 April, 2008en_US
dc.identifier.urihttp://hdl.handle.net/123456789/970
dc.language.isoenen_US
dc.subjectPhytaseen_US
dc.subjectAspergillus nigeren_US
dc.subjectsubmerged fermentationen_US
dc.subjectphytate degradationen_US
dc.subjectpoultry feed supplementen_US
dc.subjectagriculture residueen_US
dc.titleInfluence of pretreatment of agriculture residues on phytase production by Aspergillus niger NCIM 563 under submerged fermentation conditionsen_US
dc.typeArticleen_US

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