1,3,5-tri-O-acetyl-2,4,6-tri-O-methyl-D-glucitol | 24951-72-2

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 1,3,5-tri-O-acetyl-2,4,6-tri-O-methyl-D-glucitol
• 英文别名: 1,3,5-tri-O-acetyl-2,4,6-tri-O-methylglucitol；1,3,5-tri-O-acetyl-2,4,6-tri-O-methyl-glucitol；[(2S,3R,4R,5R)-3,5-diacetyloxy-2,4,6-trimethoxyhexyl] acetate
• CAS: 24951-72-2
• 化学式: C₁₅H₂₆O₉
• 分子量: 350.366
• InChiKey: NVJZDJXSKJXLCB-GBJTYRQASA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.3
• 重原子数：
  24
• 可旋转键数：
  14
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.8
• 拓扑面积：
  107
• 氢给体数：
  0
• 氢受体数：
  9

反应信息

• 作为产物：
  描述：

  对硝基苯-α-D-葡萄糖吡喃苷 生成 1,3,5-tri-O-acetyl-2,4,6-tri-O-methyl-D-glucitol
  参考文献：
  名称：

  SHEA, ELAINE M.;CARPITA, NICHOLAS C., J. CHROMATOGR., 445,(1988) N 2, 424-428

  摘要：

  DOI：

文献信息

• Branched alpha-glucan, alpha-glucosyltransferase which forms the glucan, their preparation and uses
  申请人：Watanabe Hikaru

  公开号：US20100120710A1

  公开（公告）日：2010-05-13

  The present invention has objects to provide a glucan useful as water-soluble dietary fiber, its preparation and uses. The present invention solves the above objects by providing a branched α-glucan, which is constructed by glucose molecules and characterized by methylation analysis as follows: (1) Ratio of 2,3,6-trimethyl-1,4,5-triacetyl-glucitol to 2,3,4-trimethyl-1,5,6-triacetyl-glucitol is in the range of 1:0.6 to 1:4; (2) Total content of 2,3,6-trimethyl-1,4,5-triacetyl-glucitol and 2,3,4-trimethyl-1,5,6-triacetyl-glucitol is 60% or higher in the partially methylated glucitol acetates; (3) Content of 2,4,6-trimethyl-1,3,5-triacetyl-glucitol is 0.5% or higher but less than 10% in the partially methylated glucitol acetates; and (4) Content of 2,4-dimethyl-1,3,5,6-tetraacetyl-glucitol is 0.5% or higher in the partially methylated glucitol acetates; a novel α-glucosyltransferase which forms the branched α-glucan, processes for producing them, and their uses.

  本发明的目的是提供一种作为水溶性膳食纤维有用的葡聚糖、其制备和用途。本发明通过提供一种分支α-葡聚糖来解决上述目的，该葡聚糖由葡萄糖分子构成，其特征通过甲基化分析如下：（1）2,3,6-三甲基-1,4,5-三乙酰-葡萄糖醇与2,3,4-三甲基-1,5,6-三乙酰-葡萄糖醇的比率在1:0.6至1:4的范围内；（2）2,3,6-三甲基-1,4,5-三乙酰-葡萄糖醇和2,3,4-三甲基-1,5,6-三乙酰-葡萄糖醇的总含量在部分甲基化葡萄糖醇醋酸酯中达到60％或更高；（3）2,4,6-三甲基-1,3,5-三乙酰-葡萄糖醇的含量在部分甲基化葡萄糖醇醋酸酯中为0.5％或更高，但小于10％；（4）2,4-二甲基-1,3,5,6-四乙酰-葡萄糖醇的含量在部分甲基化葡萄糖醇醋酸酯中为0.5％或更高。本发明还提供了一种形成分支α-葡聚糖的新型α-葡萄糖基转移酶，用于生产它们的方法以及它们的用途。
• BRANCHED ALPHA-GLUCAN, ALPHA-GLUCOSYLTRANSFERASE WHICH FORMS THE GLUCAN, THEIR PREPARATION AND USES
  申请人：Hayashibara Co., Ltd.

  公开号：US20130065293A1

  公开（公告）日：2013-03-14

  The present invention has objects to provide a glucan useful as water-soluble dietary fiber, its preparation and uses. The present invention solves the above objects by providing a branched α-glucan, which is constructed by glucose molecules and characterized by methylation analysis as follows: (1) Ratio of 2,3,6-trimethyl-1,4,5-triacetyl-glucitol to 2,3,4-trimethyl-1,5,6-triacetyl-glucitol is in the range of 1:0.6 to 1:4; (2) Total content of 2,3,6-trimethyl-1,4,5-triacetyl-glucitol and 2,3,4-trimethyl-1,5,6-triacetyl-glucitol is 60% or higher in the partially methylated glucitol acetates; (3) Content of 2,4,6-trimethyl-1,3,5-triacetyl-glucitol is 0.5% or higher but less than 10% in the partially methylated glucitol acetates; and (4) Content of 2,4-dimethyl-1,3,5,6-tetraacetyl-glucitol is 0.5% or higher in the partially methylated glucitol acetates; a novel α-glucosyltransferase which forms the branched α-glucan, processes for producing them, and their uses.

  本发明旨在提供一种作为水溶性膳食纤维有用的葡聚糖，其制备和用途。本发明通过提供一种支链α-葡聚糖来解决上述问题，该支链α-葡聚糖由葡萄糖分子构成，并通过甲基化分析表征，其特征如下：(1) 2,3,6-三甲基-1,4,5-三乙酰基-葡萄糖醇与2,3,4-三甲基-1,5,6-三乙酰基-葡萄糖醇的比率在1:0.6至1:4范围内；(2) 在部分甲基化的葡萄糖醇醋酸酯中，2,3,6-三甲基-1,4,5-三乙酰基-葡萄糖醇和2,3,4-三甲基-1,5,6-三乙酰基-葡萄糖醇的总含量为60％或更高；(3) 在部分甲基化的葡萄糖醇醋酸酯中，2,4,6-三甲基-1,3,5-三乙酰基-葡萄糖醇的含量为0.5％或更高，但小于10％；(4) 在部分甲基化的葡萄糖醇醋酸酯中，2,4-二甲基-1,3,5,6-四乙酰基-葡萄糖醇的含量为0.5％或更高。本发明还提供了一种新型α-葡萄糖基转移酶，用于形成支链α-葡聚糖，以及生产它们的方法和用途。
• BRANCHED -GLUCAN, -GLUCOSYLTRANSFERASE PRODUCING THE SAME, METHOD FOR PRODUCING THE SAME AND USE THEREOF
  申请人：Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo

  公开号：EP2151500A1

  公开（公告）日：2010-02-10

  The present invention has objects to provide a glucan useful as water-soluble dietary fiber, its preparation and uses. The present invention solves the above objects by providing a branched α-glucan, which is constructed by glucose molecules and characterized by methylation analysis as follows: (1) Ratio of 2,3,6-trimethyl-1,4,5-triacetyl-glucitol to 2,3,4-trimethyl-1,5,6-triacetyl-glucitol is in the range of 1:0.6 to 1:4; (2) Total content of 2,3,6-trimethyl-1,4,5-triacetyl-glucitol and 2,3,4-trimethyl-1,5,6-triacetyl-glucitol is 60% or higher in the partially methylated glucitol acetates; (3) Content of 2,4,6-trimethyl-1,3,5-triacetyl-glucitol is 0.5% or higher but less than 10% in the partially methylated glucitol acetates; and (4) Content of 2,4-dimethyl-1,3,5,6-tetraacetyl-glucitol is 0.5% or higher in the partially methylated glucitol acetates; a novel α-glucosyltransferase which forms the branched α-glucan, processes for producing them, and their uses.

  本发明的目的是提供一种可用作水溶性膳食纤维的葡聚糖及其制备方法和用途。本发明通过提供一种支链α-葡聚糖来解决上述目的，该葡聚糖由葡萄糖分子构成，其甲基化分析特征如下： (1) 2,3,6-三甲基-1,4,5-三乙酰基-葡萄糖醇与 2,3,4-三甲基-1,5,6-三乙酰基-葡萄糖醇的比例在 1:0.6 至 1:4 之间； (2) 部分甲基化葡萄糖醇醋酸酯中 2,3,6-三甲基-1,4,5-三乙酰基葡萄糖醇和 2,3,4-三甲基-1,5,6-三乙酰基葡萄糖醇的总含量为 60%或以上； (3) 在部分甲基化葡萄糖醇醋酸酯中，2,4,6-三甲基-1,3,5-三乙酰基葡萄糖 醇的含量為 0.5%或以上，但少於 10%；及 (4) 部分甲基化葡萄糖醇乙酸酯中 2,4-二甲基-1,3,5,6-四乙酰基-葡糖醇的含量为 0.5%或更高；形成支链α-葡聚糖的新型α-葡糖基转移酶、生产工艺及其用途。
• AGENT FOR LIFESTYLE-RELATED DISEASE AND ORAL COMPOSITION COMPRISING SAME
  申请人：Hayashibara Co., Ltd.

  公开号：EP2977052A1

  公开（公告）日：2016-01-27

  The present invention addresses the problem of providing an agent for lifestyle-related diseases, an oral composition, and a high-fat food product that can be conveniently, safely, and continuously consumed onadailybasis. This problem is solved by an agent for lifestyle-related diseases that contains a specific branched α-glucan having the characteristics described in the present invention, an oral composition comprising the agent, and a high-fat food product comprising the same.

  本发明要解决的问题是提供一种用于治疗生活方式相关疾病的制剂、一种口服组合物和一种可方便、安全和持续地每日食用的高脂食品。解决这一问题的方法是：一种含有具有本发明所述特性的特定支链α-葡聚糖的生活方式相关疾病制剂、一种含有该制剂的口服组合物和一种含有该制剂的高脂食品。
• POWDERY PLANT EXTRACT FOR BEVERAGES AND METHOD FOR MANUFACTURING SAME
  申请人：Hayashibara Co., Ltd.

  公开号：EP3508069A1

  公开（公告）日：2019-07-10

  The present invention has objects to provide a powdery plant extract for beverages, having satisfactory flavor-retaining effect and solubility. The present invention solves the above objects by providing a powdery plant extract for beverages, comprising a plant extract for beverages and a branched α-glucan mixture having the following characteristics (A) to (C): (A) Being constructed by glucose molecules; (B) Having a branched structure with a glucose polymerization degree of one or more, bound via a linkage other than α-1,4 linkage to a non-reducing end glucose residue at an end position of a linear glucan with a glucose polymerization degree of 3 or higher, having a structure of binding glucose molecules via α-1,4 linkages; and (C) Isomaltose in an amount of 5% by mass or higher, on a dry solid basis, of the hydrolysate is formed when digested by isomaltodextranase; where the mass ratio of the plant extract for beverages and the branched α-glucan mixture is in a range of 1:0.1 to 1:20, on a dry solid basis.

  本发明的目的是提供一种饮料用粉状植物提取物，具有令人满意的保香效果和溶解性。本发明通过提供一种用于饮料的粉状植物提取物来解决上述问题，该提取物包括一种用于饮料的植物提取物和一种支链α-葡聚糖混合物，该混合物具有以下特性（A）至（C）： (A) 由葡萄糖分子构成； (B) 具有葡萄糖聚合度为 1 或更高的支链结构，通过α-1,4 连接以外的连接与葡萄糖聚合度为 3 或更高的线性葡聚糖末端位置的非还原端葡萄糖残基结合，具有通过 α-1,4 连接结合葡萄糖分子的结构；以及 (C) 经异麦芽糖右旋糖酐酶消化后形成的水解物中，异麦芽糖的质量分数为 5%或以上（以干固体计）； 其中饮料用植物提取物与支链α-葡聚糖混合物的质量比范围为 1:0.1 至 1:20（以干固体为基准）。