Abstract
The aim of this work was to make a survey describing factors that influence the production of extracellular enzymes by white-rot fungus Ceriporiopsis subvermispora responsible for the degradation of lignocellulolytic materials. These factors were: carbon sources (glucose, cellulose, hemicellulose, lignin, maltose and starch), nitrogen sources (ammonium sulphate, potassium nitrate, urea, albumin and peptone), pH, temperature and addition of three different concentrations of Cu2+ and Mn2+. The cellulase and xylanase activities were similar in medium with different carbon sources and the highest cellulase and xylanase activities were measured in medium with urea and potassium nitrate as nitrogen sources, respectively. The highest laccase activity was observed in medium with lignin and peptone as carbon and nitrogen sources. In other experiments, time course of production of lignocellulolytic enzymes by white-rot fungus C. subvermispora in medium with lignin or glucose as carbon sources was observed.
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