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Kinetics of the solid state fermentation of sugarcane bagasse by Thermoascus aurantiacus for the production of xylanase

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Abstract

Xylanase was produced by solid-state fermentation using Thermoascus aurantiacus. Maximum production (500 U g−1 bagasse) was achieved on the sixth day of cultivation on solid sugarcane bagasse medium supplemented with 15% (v/w) rice bran extract. The fungal biomass, determined from its glucosamine content, reached 28 mg g−1 on the 8th day of cultivation. The cell yield against O2 (Y x/o =0.18g cell/gO2) and maintenance coefficient (m 0=0.013g O2/g cell h) were determined with the low Y x/o value for T. aurantiacus agreeing with the calculated value.

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Authors and Affiliations

  1. Department of Biotechnology, Faculty of Chemical Engineering of Lorena, Lorena SP, 12600-970, Brazil

    Elio dos Santos, Thais Piovan, Inês Conceição Roberto & Adriane Maria Ferreira Milagres

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  1. Elio dos Santos
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  2. Thais Piovan
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  3. Inês Conceição Roberto
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  4. Adriane Maria Ferreira Milagres
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Correspondence to Adriane Maria Ferreira Milagres.

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dos Santos, E., Piovan, T., Roberto, I.C. et al. Kinetics of the solid state fermentation of sugarcane bagasse by Thermoascus aurantiacus for the production of xylanase. Biotechnology Letters 25, 13–16 (2003). https://doi.org/10.1023/A:1021709610251

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  • DOI: https://doi.org/10.1023/A:1021709610251

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