Genetically modified lactic acid bacteria having modified diacetyl reductase activities
    1.
    发明授权
    Genetically modified lactic acid bacteria having modified diacetyl reductase activities 失效
    具有改性二乙酰还原酶活性的转基因乳酸菌

    公开(公告)号:US06413765B1

    公开(公告)日:2002-07-02

    申请号:US09295445

    申请日:1999-04-21

    IPC分类号: C12N120

    CPC分类号: C12N9/0006 C12N15/746

    摘要: Genetically modified lactic acid bacteria having a reduced or lacking or enhanced diacetyl reductase activity, acetoin reductase activity and/or butanediol dehydrogenase activity are provided. Such bacteria are used in starter cultures in the production of food products including dairy products where it is desired to have a high content of diacetyl and for reducing or completely removing diacetyl in beverages including beers, fruit juices and certain types of wine, where the presence of diacetyl is undesired.

    摘要翻译: 提供具有降低或缺乏或增强的二乙酰还原酶活性,乙偶姻还原酶活性和/或丁二醇脱氢酶活性的转基因乳酸菌。 这种细菌在起始培养物中用于生产包括乳制品在内的食品的食品,其中希望具有高含量的二乙酰基,并用于还原或完全除去饮料中的二乙酰,包括啤酒,果汁和某些类型的葡萄酒,其中存在 的二乙酰是不希望的。