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    • 2. 发明申请
    • PROCESS FOR PRODUCING ISOMALTOSE AND USES THEREOF
    • 生产异构体的方法及其用途
    • US20080241904A1
    • 2008-10-02
    • US11777044
    • 2007-07-12
    • Michio KubotaTomoyuki NishimotoTakanobu HigashiyamaHikaru WatanabeShigeharu FukudaToshio Miyake
    • Michio KubotaTomoyuki NishimotoTakanobu HigashiyamaHikaru WatanabeShigeharu FukudaToshio Miyake
    • C12N9/10
    • C12P19/12
    • A novel process for producing isomaltose and uses thereof and comprising the steps of contacting saccharides, which have a glucose polymerization degree of at least two and α-1,4 glucosidic linkage as a linkage at the non-reducing end, with an α-isomaltosylglucosaccharide-forming enzyme, in the presence or the absence of α-isomaltosyl-transferring enzyme to form a-isomaltosylglucosaccharides, which have a glucose polymerization degree of at least three, α-1,6 glucosidic linkage as a linkage at the non-reducing end, and α-1,4 glucosidic linkage as a linkage other than the non-reducing end, and/or to form cyclo{→6)-α-D-glucopyranosyl-(1→3)-α-D-glucopyranosyl-(1→6)-α-D-glucopyranosyl-(1″3)-α-D-glucopyranosyl-(1→}; contacting the saccharides so formed with isomaltose-releasing enzyme to release isomaltose; and collecting the released isomaltose; and uses thereof.
    • 一种制备异麦芽糖的新方法及其用途,包括以下步骤:将具有至少两个葡萄糖聚合度的至少两个和非1,4-还原末端的α-1,4糖苷键的糖与α-异麦芽糖基葡萄糖 在α-异麦芽糖基转移酶的存在或不存在下形成α-异麦芽糖基糖,其具有在非还原末端具有至少三个α-1,6糖苷键作为键的葡萄糖聚合度 和α-1,4糖苷键作为非还原末端之外的键,和/或形成环{ - > 6)-al-D-glucopyranosyl-(1-> 3)-al-D-glucopyranosyl - (1-> 6)-al-D-glucopyranosyl-(1''3)-alpha-D-吡喃葡萄糖基 - (1->};使所形成的糖与异麦芽糖释放酶接触以释放异麦芽糖; 释放的异麦芽糖;及其用途。
    • 4. 发明授权
    • Cyclic maltosylmatose
    • 循环麦芽糖
    • US07309697B2
    • 2007-12-18
    • US10569959
    • 2004-08-26
    • Kazuhisa MukaiHikaru WatanabeTomoyuki NishimotoMichio KubotaShigeharu FukudaToshio Miyake
    • Kazuhisa MukaiHikaru WatanabeTomoyuki NishimotoMichio KubotaShigeharu FukudaToshio Miyake
    • A61K31/715C07H1/00
    • A61K9/2018A21D2/181A23L2/52A23L2/60A23L13/428A23L27/33A23L33/10A61K8/60A61Q11/00C07H3/06C12N9/1048C12P19/18
    • An object of the present invention is to provide an option of non-reducing saccharide by providing a novel non-reducing saccharide composed of glucose as constituents and to provide a novel enzyme forming the non-reducing saccharide, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the non-reducing saccharide, and uses thereof. The present invention solves the above object by providing a novel cyclic saccharide having a structure of cyclo{→6)-α-D-glucopyranosyl-(1→4)-α-D-glucopyranosyl-(1→6)-α-D-glucopyranosyl-(1→4)-α-D-glucopyranosyl-(1→6}, cyclic maltosylmaltose, novel cyclic maltosylmaltose-forming enzyme, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the cyclic maltosylmaltose or a saccharide composition comprising the same, and uses thereof.
    • 本发明的目的是通过提供一种由葡萄糖组成的新型非还原性糖组成并提供形成非还原性糖的新型酶,提供一种非还原性糖的方法及其制备方法 ,编码该酶的DNA,重组DNA和包含该DNA的转化体,包含非还原性糖的组合物及其用途。 本发明通过提供具有环{ - > 6)-α-D-吡喃葡萄糖基 - (1-> 4)-α-D-吡喃葡萄糖基 - (1-> 6) - 结构的新型环状糖来解决上述目的。 α-D-吡喃葡萄糖基 - (1-> 4)-α-D-吡喃葡萄糖基 - (1-> 6),环状麦芽糖基麦芽糖,新型环状麦芽糖基麦芽糖酶形成酶,其制备方法和方法,编码酶 ,重组DNA和包含该DNA的转化体,包含环状麦芽糖基麦芽糖的组合物或包含其的糖组合物及其用途。