2009•China BrewingRequires access

Optimization of solid-state fermentation conditions of xylanase by Aspergillus niger

Haitao Zhang

Abstract

Effects of carbon source, nitrogen source, phosphate, water, Mg2+, Mn2+ and surfactant on the production of xylanase by Aspergillus niger were investigated in this study. The optimal fermentation conditions were obtained by single factor experiment and orthogonal experiment as followed: wheat bran(,NH4)2SO4 4%,KH2PO4 0.75%,Mg2SO4·7H2O 1.0%,polypropylene glycol 0.10%, water 70% and natural pH.

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Key concepts: Aspergillus niger, Bran, Xylanase, Fermentation, Chemistry, Food science, Solid-state fermentation, Aspergillus oryzae