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    • 3. 发明公开
    • MUTANT AND GENE ENCODING THE SAME
    • DAFÜRKODIERENDES GEN
    • EP2031066A1
    • 2009-03-04
    • EP07767052.9
    • 2007-06-05
    • Nihon Shokuhin Kako Co., Ltd.Japan Agency for Marine-Earth Science and Technology
    • NAKAGAWA, YoshinoriTAKADA, MasayasuOGAWA, KoichiHATADA, YujiHORIKOSHI, Hiroki
    • C12N15/54C12N1/15C12N1/19C12N1/21C12N5/10C12N9/10C12P21/02
    • C12Y204/01019C12N9/1074C12P19/10
    • A mutant CGTase, having greater specific activity in the synthesis of gamma- cyclodextrin than the parent gamma -CGTase, in which at least one of the amino acid residues in the parent gamma -CGTase has been replaced with an amino acid residue differing from that particular amino acid residue in the parent gamma -CGTase. A gene encoding the amino acid sequence of the mutant. A method for manufacturing the mutant CGTase comprising: culturing the transformant that has been transformed or modified by chromosomal homologous recombination with the recombinant vector comprising the gene, and collecting the mutant CGTase produced by the transformant. Provided is an improved mutant CGTase that is imparted with greater specific activity than the parent gamma -CGTase by the addition of a mutation to gamma -CGTase, reducing the quantity of enzyme required to obtain a targeted CD composition. Provided is a gene encoding this mutant CGTase and a method for manufacturing the mutant CGTase employing this gene.
    • 一种突变体CGT酶,其在γ-环糊精的合成中具有比母体-GGTase更高的比活性,其中母体γ-GTase中的至少一个氨基酸残基被替换为与该特定的氨基酸残基不同的氨基酸残基 母体γ-GTase中的氨基酸残基。 编码突变体的氨基酸序列的基因。 一种用于制备突变型CGT酶的方法,包括:通过与包含该基因的重组载体进行染色体同源重组而转化或修饰的转化体,并收集由转化体产生的突变型CGT酶。 提供了一种改进的突变体CGTase,其通过向γ-GTTase添加突变赋予比母体γ-GTase更大的比活性,从而减少获得靶向CD组合物所需的酶的量。 提供了编码该突变型CGT酶的基因和使用该基因的突变型CGTase的制造方法。
    • 5. 发明公开
    • NOVEL CYCLODEXTRIN GLUCANOTRANSFERASE, PROCESS FOR PRODUCING THE SAME AND PROCESS FOR PRODUCING CYCLODEXTRIN BY USING THIS ENZYME
    • 环糊精GLUCANTRANSFERASE,方法及其及其制备方法环糊精中使用该酶
    • EP1308508A1
    • 2003-05-07
    • EP01932221.3
    • 2001-05-23
    • Nihon Shokuhin Kako Co., Ltd.
    • TAKADA, MasayasuIDE, TakahiroYAMAMOTO, TakeshiUNNO, TakehiroWATANABE, YoshimiSONE, HironobuYAMAMOTO, Mikio
    • C12N9/10C12P19/18C12N1/20
    • C12N9/1074C12P19/18
    • CGTase having the following enzymatic chemical properties: (1) Function and substrate specificity: funtioning on starch, dextrin, amylopectin, and amylose to produce primarily γ -CD, with the quantities of β- and α-CD produced being smaller than the quantity of γ -CD produced; (2) Optimum pH: 10.5-11.0; (3) Optimum temperature: About 60°C; (4) Stable pH: 6-11; and (5) Temperature stability: With a 15 minute-treatment at 50°C, residual activity of not less than 90 percent is exhibited. A method of manufacturing cyclodextrin glucanotransferase in which a microorganism belonging to the species Bacillus clarkii (for example, FERM BP-7156) and having the ability to produce cyclodextrin glucanotransferase is cultured, cyclodextrin glucanotransferase is produced in the cultured product, and the cyclodextrin glucanotransferase that has been produced is collected. A method of manufacturing CD in which CGTase produced by the species Bacillus clarkii is reacted with a solution comprising starch or the like to produce principally γ -cyclodextrin. γ -Cyclodextrin glucanotransferase (CGTase) capable of predominantly producing γ -CD, a microorganism having the ability to produce γ -CGTase, and a method of manufacturing γ -CD using γ -CGTase are provided.
    • CGT酶具有下列酶学化学性质:(1)功能和底物特异性:funtioning上淀粉,糊精,支链淀粉,直链淀粉和以产生主要伽马CD,与β-的量 - 和α-CD制备比的量小 伽马-CD产生; (2)最适pH:10.5-11.0; (3)最适温度:约60℃; (4)稳定的pH:6-11; 和(5)温度稳定性:在50℃C,不低于90%的残余活性在15分钟处理展出。 制造的环糊精葡聚糖转移酶的一种方法,其中属于虾种芽孢杆菌的微生物(例如,FERM BP-7156)和具有产生的环糊精葡聚糖转移酶的能力进行培养时,环糊精葡聚糖转移酶在培养产物产生,和环糊精葡聚糖转移酶没有 已经产生被收集。 其中CGT酶由虾种芽孢杆菌产生的制造CD的方法进行反应用溶液包含淀粉或类似物以产生主要地γ-环糊精。 γ-环糊精葡聚糖转移酶(CGT酶),其能够生产主要伽马CD,具有产生伽马-CGTase的能力的微生物,并且使用制造提供-CGTase伽马伽马CD的方法。
    • 6. 发明公开
    • IMMUNOPOTENTIATOR
    • 免疫增强剂
    • EP1287827A1
    • 2003-03-05
    • EP01930134.0
    • 2001-05-15
    • Nihon Shokuhin Kako Co., Ltd.
    • TAKEUCHI, MasayasuNAKAMURA, Nobuyuki
    • A61K31/715A61K35/78A61P37/04C08B37/14
    • C08B37/006A61K31/715A61K36/899A61K39/39C08B37/0057
    • The present invention relates to an immuno-active agent showing an action of activating the immunity of organisms by orally ingesting it. This immuno-active agent contains hemicellulose obtained from cornhusk and/or its partially hydrolyzed product. The hemicellulose is preferably the one obtained by removing starch and protein from cornhusk and subjecting the residue to extraction with an alkali. Further, the partially hydrolyzed product of hemicellulose is preferably the one obtained by removing starch and protein from cornhusk and subjecting the residue to extraction with an alkali, and further treating the hemicellulose with a xylanase, and its mass average molecular weight is preferably from 20,000 to 200,000.
    • 本发明涉及通过口服摄取而显示激活机体免疫力的作用的免疫活性剂。 该免疫活性剂含有从玉米穗叶螨和/或其部分水解产物获得的半纤维素。 半纤维素优选是通过从玉米穗中除去淀粉和蛋白质并将残余物用碱提取而获得的。 此外,半纤维素的部分水解产物优选为通过从玉米穗上除去淀粉和蛋白质并用碱提取残余物并进一步用木聚糖酶处理半纤维素而获得的产物,其质均分子量优选为20,000至 200000。
    • 8. 发明公开
    • PET FOODS
    • TIERFUTTER
    • EP1120046A1
    • 2001-08-01
    • EP99970299.6
    • 1999-10-08
    • Nihon Shokuhin Kako Co., Ltd.
    • FURUSE, MitsuhiroSAKO, Toshinori
    • A23K1/16A23K1/18
    • A23K50/40A23K20/163Y10S426/805
    • A pet food containing a cyclodextrin such as β -cyclodextrin, such as a dog food and a cat food. For example, a pet food in which a content of fat is equal to or higher than 5 % by weight per solid part and a content of β -cyclodextrin ranges from 1 to 15 % by weight per solid part. A method of suppressing an increase of a body weight of a pet or reducing the body weight, characterized by feeding the aforementioned pet food to a pet to the extent that an ingested amount of β -cyclodextrin ranges from 0.1 to 5 g per 1 kg of body weight for one day. It is possible to provide a novel pet food which is suited to a liking of a pet because of having the same taste and mouth-feeling as conventional pet foods, and which can suppress an increase of a body weight of a pet or reduce the body weight with the same feeding amount as conventional, and a method which can suppress an increase of a body weight of a pet or reduce the body weight without impairing health of pets.
    • 含有环糊精如β-环糊精的宠物食品,如狗食和猫食。 例如,其中脂肪含量等于或高于每个固体部分的5重量%和β-环糊精的含量的宠物食品的范围为每个固体部分的1至15重量%。 一种抑制宠物体重增加或降低体重的方法,其特征在于将上述宠物食品喂给宠物,其摄取量的β-环糊精的量为0.1至5g / 1kg 体重一天。 由于具有与传统宠物食品相同的味道和口感,可以提供适合于宠物喜好的新型宠物食品,并且能够抑制宠物体重的增加或减少身体 重量与常规相同的饲喂量,以及能够抑制宠物体重增加或减轻体重而不损害宠物健康的方法。