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dc.contributor.authorBasu, Barnali-
dc.contributor.authorBanik, Ajit K-
dc.identifier.issn0975-1084 (Online); 0022-4456 (Print)-
dc.description.abstract Fish scale, the chief waste material of fish processing industries, was enzymatically hydrolyzed by protease of Aspergillus niger AB100 to produce soluble protein for use as organic fertilizer. Optimum inorganic nutrients were found to be: MgSO4, 0.75; K2HPO4, 0.2; and KCl, 0.075%. A. niger AB100 required FeSO4.7H2O (5 μg/ml) and ZnSO4.7H2O (15 μg/ml) for higher amount of protease production and yield. The optimum values for the tested cost-effective nutrients for the maximum protease production were: Defatted soybean-meal, 0.2; Peptone, 0.3; and Corn-steep-liquor, 0.2%. Biomass growth was not related proportionately in every case with that of enzyme production and protein solubilisation but protease production shows a positive correlation with hydrolysis of scale to produce soluble protein. en_US
dc.relation.ispartofseriesC 05 F 3/00en_US
dc.sourceJSIR Vol.64(04) [April 2005]en_US
dc.subjectProtein rich organic fertilizeren_US
dc.subjectFish scaleen_US
dc.subject Aspergillus niger AB100en_US
dc.titleProduction of protein rich organic fertilizer from fish scale by a mutant Aspergillus niger AB100__ A media optimization studyen_US
Appears in Collections:JSIR Vol.64(04) [April 2005]

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