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    • 25. 发明申请
    • METHODS OF REDUCING THE INHIBITORY EFFECT OF A TANNIN OF THE ENZYMATIC HYDROLYSIS OF CELLULOSIC MATERIAL
    • 降低纤维素酶水解酶鞣质抑制作用的方法
    • WO2009059175A2
    • 2009-05-07
    • PCT/US2008082046
    • 2008-10-31
    • NOVOZYMES INCXU FENG
    • XU FENG
    • C12P7/10C12P19/02
    • C12P7/10C12P19/02Y02E50/16
    • The present invention relates to methods of producing a cellulosic material reduced in a tannin, comprising treating the cellulosic material with a tannase to reduce the inhibitory effect of the tannin on enzymatically saccharifying the cellulosic material. The present invention also relates to methods of saccharifying a cellulosic material, comprising: treating the cellulosic material with a tannase and an effective amount of a cellulolytic enzyme composition. The present invention also relates to methods of producing a fermentation product, comprising: (a) saccharifying a cellulosic material with an effective amount of a cellulolytic enzyme composition; (b) fermenting the saccharified cellulosic material of step (a) with one or more fermenting microorganisms to produce a fermentation product; and (c) recovering the fermentation product, wherein the cellulosic material is treated with a tannase to reduce the inhibitory effect of a tannin on enzymatically saccharifying the cellulosic material.
    • 本发明涉及生产单宁中还原的纤维素材料的方法,包括用鞣酸酶处理纤维素材料以降低单宁对酶促糖化纤维素材料的抑制作用。 本发明还涉及糖化纤维素材料的方法,包括:用鞣酸酶和有效量的纤维素分解酶组合物处理纤维素材料。 本发明还涉及生产发酵产物的方法,其包括:(a)用有效量的纤维素分解酶组合物糖化纤维素材料; (b)用一种或多种发酵微生物发酵步骤(a)的糖化纤维素材料以产生发酵产物; 和(c)回收发酵产物,其中用鞣酸酶处理纤维素材料以降低单宁对酶促糖化纤维素材料的抑制作用。