Kênia F. R. Lamounier1, Patrisia O. Rodrigues1, Daniel Pasquini2*, Milla A. Baffi1
Journal of Renewable Materials, Vol.6, No.2, pp. 169-175, 2018, DOI:10.7569/JRM.2017.634151
Abstract This study investigates the efficiency of a crude enzymatic extract produced by Aspergillus fumigatus SCBM6 by solid state fermentation (SSF) in the hydrolysis of alkali pretreated sugarcane bagasse (PTB). After SSF using in natura sugarcane bagasse (SCB), the enzymatic extract presented 21.33 U.g–1 of β-glucosidase and 544.46 U.g–1of xylanase. The alkaline pretreatment with sodium hydroxide (2% NaOH (w/v) removed 43% of the lignin from PTB and the cellulosic fraction increased to 75%. The hydrolysis was optimized as a function of time, temperature, and concentration of PTB. After hydrolysis, the maximum yield (30.05%) of total released reducing sugars (TRS) was obtained… More >
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