... cellulase, xylanase, a-amylase, proteases and lignindegrading enzymes to release sugars from cellulose, hemicellulose, proteinaceous materials, ... of lignocellulosic biomass starts with opening the fiber structure to make the sugar fractions available for metabolic ... , xylanase, a-amylase, proteases and lignindegrading enzymes to release sugars from cellulose, hemicellulose, proteinaceous materials, ...