Abstract
Three strains of the white-rot fungus Panus tigrinus (FTPT-4741, FTPT-4742, and FTPT-4745) were cultivated on sugarcane bagasse prior to kraft pulping. Pulp yields, kappa number, and viscosity of all pulps were determined and Fourier transform infrared (FTIR) spectra from the samples were recorded. The growth of P. tigrinus strains in plastic bags increased the manganese peroxide and xylanase activities. Lignin peroxidase was not detected in the three systems (shaken and nonshaken flasks and plastic bags). FTIR spectra were reduced to their principal components, and a clear separation between FTPT-4742 and the control was observed. Strain FTPT-4745 decayed lignin more selectively in the three systems utilized. Yields of kraft pulping were low, ranging from 20 to 45% for the plastic bag samples and from 12 to 38% for the flask samples. Kappa numbers were 1–18 and viscosity ranged from 2.3 to 6.8 cP.
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Gonçalves, A.R., Costa, S.M. & Esposito, E. Panus tigrinus strains used in delignification of sugarcane bagasse prior to kraft pulping. Appl Biochem Biotechnol 98, 373–382 (2002). https://doi.org/10.1385/ABAB:98-100:1-9:373
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DOI: https://doi.org/10.1385/ABAB:98-100:1-9:373