Inducing and Screening of High Producing Pectinase Aspergillus niger Strain
2010
[Objective]The aim was to induce and screen the high producing pectinase Aspergillus niger Strain based on the original preservation strains.[Method]The original strain was induced by ultraviolet,and the highst enzyme activity and cultivated time were detected through the inspection of transparent circle and enzyme activity determination of flask fermentation.[Result] The enzyme activity of strain D1-4 achieved its highest after cultivated for 96 h in suitable conditions,which was 141.13 U/ml.[Conclusion] The induced strain D1-4 had the strong ability of producing pectinase.
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