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BIOPRODUCT DEVELOPMENT - UTILIZATION OF USED PAPER MATERIALS AS A RENEWABLE RESOURCE FOR BIOPRODUCT DEVELOPMENT J.P.H. van Wyk and M. Mohulatsi Abstract Enzymatic catalyzed saccharification of used foolscap paper, filter paper, newsprint, office paper as well as microcrystalline cellulose was performed with the cellulase from Penicillium funiculosum. Glucose, the major reaction product, showed different formation tendencies during biodegradation of these cellulose materials. Foolscap paper exhibited the highest susceptibility for hydrolysis by this enzyme followed by filter paper, newspaper, microcrystalline cellulose and office paper. These different susceptibilities of cellulose materials for cellulase activity have been confirmed by degrading all materials with changing enzyme and substrate concentrations.

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