Enzymatic Saccharification of Japanese Cedar Wood by Combined Pretreatments using White Rot Fungus and Organosolvolysis with Lactic Acid

  • Baba Yasunori
    Laboratory of Biomass Conversion, Research Institute for Sustainable Humanosphere, Kyoto University (Current affiliation : Graduate School of Agricultural Science, Tohoku University)
  • Tanabe Toshiaki
    Laboratory of Biomass Conversion, Research Institute for Sustainable Humanosphere, Kyoto University (Current affiliation : Okinawa National College of Technology)
  • Watanabe Takahito
    Laboratory of Biomass Conversion, Research Institute for Sustainable Humanosphere, Kyoto University
  • Honda Yoichi
    Laboratory of Biomass Conversion, Research Institute for Sustainable Humanosphere, Kyoto University
  • Watanabe Takashi
    Laboratory of Biomass Conversion, Research Institute for Sustainable Humanosphere, Kyoto University

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  • 白色腐朽菌・乳酸オルガノソルブ複合処理によるスギ材の酵素糖化
  • ハクショク フキュウキン ニュウサン オルガノソルブ フクゴウ ショリ ニ ヨル スギザイ ノ コウソ トウカ

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Abstract

To develop environmentally-benign pretreatment systems applicable to recalcitrant softwood, we studied combined pretreatments for Japanese cedar wood with white rot fungi and microwave organosolvolysis using ethanol, glycerol and propylene glycol. A white rot fungus, Phellinus sp. SKM2102, increased yields of the reducing sugars obtained by enzymatic saccharification by more than 5 times at maximum. Among the safe solvent systems producible from biomass, solvolysis with ethanol and lactic acid was the most effective for the pretreatments.

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