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    • 1. 发明申请
    • OXIDATIVE DECOLORIZATION OF DYES WITH ENZYMATICALLY GENERATED PERACID - METHOD, COMPOSITION AND KIT OF PARTS
    • 具有致密性生成的皮肤的氧化物的氧化分解 - 部件的方法,组合物和试剂盒
    • WO2010101867A1
    • 2010-09-10
    • PCT/US2010/025846
    • 2010-03-02
    • DANISCO US INC.BARNETT, Christopher, C.SALA, Rafael, F.
    • BARNETT, Christopher, C.SALA, Rafael, F.
    • C02F3/34C02F1/72
    • C02F3/342C02F1/722C02F1/725C02F2101/308C02F2103/28C02F2103/30
    • A composition and a method for decolorizing a dye, comprising contacting the dye with a composition comprising a perhydrolase enzyme, a substrate for the perhydrolase enzyme and a hydrogen peroxide source wherein a peracid is produced by catalytic action of the perhydrolase enzyme on the substrate in the presence of hydrogen peroxide and wherein the dye is contacted with the composition for a length of time and under conditions suitable to produce an amount of peracid sufficient to decolorize at least a portion of the dye. The perhydrolase enzyme may comprise the amino acid sequence set forth in SEQ ID No. 1, preferably the perhydrolase enzyme is the S54V variant of the enzyme. The ester substrate may be selected from the group consisting of propylene glycol diacetate (PGDA), ethylene glycol diacetate (EGDA), tracetin, ethyl acetate, and tributyrin and the hydrogen peroxide may be in the form of a hydrogen peroxide source selected from the group consisting of hydrogen peroxide, percarbonate, and perborate. A kit of parts is also claimed.
    • 一种用于使染料脱色的组合物和方法,包括使染料与包含过水解酶的组合物,过水解酶的底物和过氧化氢源的组合物接触,其中通过过氧化氢酶在底物上的催化作用产生过酸 存在过氧化氢并且其中染料与组合物接触一段时间并且在适于产生足以使至少一部分染料脱色的过量产生的量的条件下进行。 过水解酶可以包含SEQ ID No.1所示的氨基酸序列,优选过水解酶是酶的S54V变体。 酯底物可以选自丙二醇二乙酸酯(PGDA),乙二醇二乙酸酯(EGDA),三乙酸甘油酯,乙酸乙酯和三丁酸甘油酯,过氧化氢可以是选自以下的过氧化氢源 由过氧化氢,过碳酸盐和过硼酸盐组成。 还要求一套零件。