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    • 8. 发明授权
    • Methods for degrading lignocellulosic materials
    • 降解木质纤维素材料的方法
    • US07943350B2
    • 2011-05-17
    • US11821438
    • 2007-06-22
    • Elena VlasenkoJoel CherryFeng Xu
    • Elena VlasenkoJoel CherryFeng Xu
    • C12P19/04
    • C12P19/14C12P7/06C12P13/04Y02E50/17Y02E50/343
    • The present invention relates to methods for degrading a lignocellulosic material, comprising: treating the lignocellulosic material with an effective amount of one or more cellulolytic enzymes in the presence of at least one surfactant selected from the group consisting of a secondary alcohol ethoxylate, fatty alcohol ethoxylate, nonylphenol ethoxylate, tridecyl ethoxylate, and polyoxyethylene ether, wherein the presence of the surfactant increases the degradation of lignocellulosic material compared to the absence of the surfactant. The present invention also relates to methods for producing an organic substance, comprising: (a) saccharifying a lignocellulosic material with an effective amount of one or more cellulolytic enzymes in the presence of at least one surfactant selected from the group consisting of a secondary alcohol ethoxylate, fatty alcohol ethoxylate, nonylphenol ethoxylate, tridecyl ethoxylate, and polyoxyethylene ether, wherein the presence of the surfactant increases the degradation of lignocellulosic material compared to the absence of the surfactant; (b) fermenting the saccharified lignocellulosic material of step (a) with one or more fermenting microorganisms; and (c) recovering the organic substance from the fermentation.
    • 本发明涉及降解木质纤维素材料的方法,包括:在至少一种表面活性剂存在下,用有效量的一种或多种纤维素分解酶处理木质纤维素材料,所述表面活性剂选自仲醇乙氧基化物,脂肪醇乙氧基化物 ,壬基酚乙氧基化物,十三烷基乙氧基化物和聚氧乙烯醚,其中与不存在表面活性剂相比,表面活性剂的存在增加了木质纤维素材料的降解。 本发明还涉及生产有机物质的方法,其包括:(a)在至少一种表面活性剂存在下,用有效量的一种或多种纤维素分解酶对木质纤维素材料进行糖化,所述表面活性剂选自仲醇乙氧基化物 ,脂肪醇乙氧基化物,壬基酚乙氧基化物,十三烷基乙氧基化物和聚氧乙烯醚,其中与不存在表面活性剂相比,表面活性剂的存在增加了木质纤维素材料的降解; (b)用一种或多种发酵微生物发酵步骤(a)的糖化木质纤维素材料; 和(c)从发酵中回收有机物质。
    • 10. 发明申请
    • Methods for degrading lignocellulosic materials
    • 降解木质纤维素材料的方法
    • US20050164355A1
    • 2005-07-28
    • US11036871
    • 2005-01-14
    • Elena VlasenkoJoel CherryFeng Xu
    • Elena VlasenkoJoel CherryFeng Xu
    • C12P7/06C12P7/18C12P7/36C12P7/40C12P13/04C12P19/04C12P19/14
    • C12P19/14C12P7/06C12P13/04Y02E50/17Y02E50/343
    • The present invention relates to methods for degrading a lignocellulosic material, comprising: treating the lignocellulosic material with an effective amount of one or more cellulolytic enzymes in the presence of at least one surfactant selected from the group consisting of a secondary alcohol ethoxylate, fatty alcohol ethoxylate, nonylphenol ethoxylate, tridecyl ethoxylate, and polyoxyethylene ether, wherein the presence of the surfactant increases the degradation of lignocellulosic material compared to the absence of the surfactant. The present invention also relates to methods for producing an organic substance, comprising: (a) saccharifying a lignocellulosic material with an effective amount of one or more cellulolytic enzymes in the presence of at least one surfactant selected from the group consisting of a secondary alcohol ethoxylate, fatty alcohol ethoxylate, nonylphenol ethoxylate, tridecyl ethoxylate, and polyoxyethylene ether, wherein the presence of the surfactant increases the degradation of lignocellulosic material compared to the absence of the surfactant; (b) fermenting the saccharified lignocellulosic material of step (a) with one or more fermentating microoganisms; and (c) recovering the organic substance from the fermentation.
    • 本发明涉及降解木质纤维素材料的方法,包括:在至少一种表面活性剂存在下,用有效量的一种或多种纤维素分解酶处理木质纤维素材料,所述表面活性剂选自仲醇乙氧基化物,脂肪醇乙氧基化物 ,壬基酚乙氧基化物,十三烷基乙氧基化物和聚氧乙烯醚,其中与不存在表面活性剂相比,表面活性剂的存在增加了木质纤维素材料的降解。 本发明还涉及生产有机物质的方法,其包括:(a)在至少一种表面活性剂存在下,用有效量的一种或多种纤维素分解酶对木质纤维素材料进行糖化,所述表面活性剂选自仲醇乙氧基化物 ,脂肪醇乙氧基化物,壬基酚乙氧基化物,十三烷基乙氧基化物和聚氧乙烯醚,其中与不存在表面活性剂相比,表面活性剂的存在增加了木质纤维素材料的降解; (b)用一种或多种发酵微生物发酵步骤(a)的糖化木质纤维素材料; 和(c)从发酵中回收有机物质。