Preparation exhibiting enzymatic activity, a method of producing the
same, and applications thereof
    6.
    发明授权
    Preparation exhibiting enzymatic activity, a method of producing the same, and applications thereof 失效
    展示酶活性的制备方法及其制备方法及其应用

    公开(公告)号:US5677161A

    公开(公告)日:1997-10-14

    申请号:US453815

    申请日:1995-05-30

    摘要: The invention relates to a preparation exhibiting enzymatic activity, which preparation has the capability of delignifying wood pulp at a temperature of at least 65.degree. C. and a pH of at least 9. Further, the invention relates to a method of producing said preparation by aerobically fermentating a selected Bacillus stearothermophilus strain. Furthermore, the invention relates to two isolated Bacillus stearothermophilus strains and mutants and variants thereof. The invention also relates to applications of the preparation of the invention, namely to a process comprising treatment of wood pulp with a preparation according to the invention, and a wood pulp and a fluff pulp treated with a preparation according to the invention, and also a paper, a board and a fluff made from a wood pulp treated with a preparation according to the invention.

    摘要翻译: 本发明涉及一种具有酶活性的制剂,该制剂具有在至少65℃的温度和至少为9℃的温度下脱木质木浆的能力。此外,本发明涉及一种通过以下步骤制备所述制剂的方法: 有选择地发酵选择的嗜热脂肪芽孢杆菌菌株。 此外,本发明涉及两种分离的嗜热脂肪芽孢杆菌菌株及其突变体及其变体。 本发明还涉及本发明制剂的应用,即包括用本发明的制剂处理木浆的方法,以及用根据本发明的制剂处理的木浆和绒毛浆,以及 纸,板和由用根据本发明的制剂处理的木浆制成的绒毛。