Abstract
Seven strains of Panus tigrinus were grown, without any additional carbon source, on sugarcane bagasse for 10 days in a semi-solid state fermentation. The production of MnP, LiP and Lac by fungi were correlated with the efficiency of delignification process in bagasse after organosolv pulping with aqueous acetic acid. Analysis of decayed sugarcane bagasse by FTIR indicated a correlation between lignin modification and pulp properties in some strains, in such a way that the more the lignin modifies, the more the pulp properties improve. This correlation became more evident after PCA treatment of the spectra. The absorption at 1000 cm −1, corresponding to C–O bonds, determines the separation of the samples in the principal component plot. PCA of FTIR spectra can be used together with activity values to predict pulp properties of decayed bagasse samples.
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