Production of protease by Aspergillus flavus under solid state fermentation

Abstract

Aspergillus flavus, isolated from spoiled sample of casein produced 1.6 U of extracellular protease/g of solid substrate in 10 days of incubation period. Enzyme production in submerged fermentation (0.12 U/ml) was found to be less than solid state fermentation (SSF; 0.99 U/ml). Culture conditions were optimised for maximal yield of enzyme.