尿囊素乙酰蛋氨酸盐 | 4207-40-3

• 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
• 中文名称: 尿囊素乙酰蛋氨酸盐
• 英文名称: Allantoin acetyl methionine
• 英文别名: 2-acetamido-4-methylsulfanylbutanoic acid;(2,5-dioxoimidazolidin-4-yl)urea
• CAS: 4207-40-3
• 化学式: C11H19N5O6S
• 分子量: 349.37
• InChiKey: LWNZJCOLRQMXHS-UHFFFAOYSA-N

物化性质

• LogP：
  -2.889 (est)

计算性质

• 辛醇/水分配系数(LogP)：
  -1.85
• 重原子数：
  23
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.55
• 拓扑面积：
  205
• 氢给体数：
  6
• 氢受体数：
  7

文献信息

• Alpha-Isomaltosylglucosaccharide synthase, process for producing the same and use thereof
  申请人：——

  公开号：US20030194762A1

  公开（公告）日：2003-10-16

  The object of the present invention is to provide an &agr;-isomaltosylglucosaccharide-forming enzyme, process of the same, cyclotetrasaccharide, and saccharide composition comprising the saccharide which are obtainable by using the enzyme; and is solved by establishing an &agr;-isomaltosylglucosaccharide-forming enzyme which forms a saccharide, having a glucose polymerization degree of at least three and having both the &agr;-1,6 glucosidic linkage as a linkage at the non-reducing end and the &agr;-1,4 glucosidic linkage other than the linkage at the non-reducing end, by catalyzing the &agr;-glucosyl-transfer from a saccharide having a glucose polymerization degree of at least two and having the &agr;-1,4 glucosidic linkage as a linkage at the non-reducing end without substantially increasing the reducing power; &agr;-isomaltosyl-transferring method using the enzyme; method for forming &agr;-isomaltosylglucosaccharide; process for producing a cyclotetrasaccharide having the structure of cyclo{→6)-&agr;-D-glucopyranosyl-(1→3)-&agr;-D-glucopyranosyl-(1→6)-&agr;-D-glucopyranosyl-(1→3)-&agr;-D-glucopyranosyl-(1→} using both the &agr;-isomaltosylglucosaccharide-forming enzyme and the &agr;-isomaltosyl-transferring enzyme; and the uses of the saccharides obtainable therewith.

  本发明的目的是提供一种α-异麦芽糊精葡萄糖醛酸形成酶、其制备方法、环四糖和含有使用该酶可获得的糖分的糖组成物；并通过建立一种α-异麦芽糊精葡萄糖醛酸形成酶来解决该问题，该酶可形成一种葡萄糖聚合度至少为三且具有α-1,6葡萄糖苷键作为非还原端连接和α-1,4葡萄糖苷键作为非还原端连接以外的连接的糖分，通过催化具有至少二个葡萄糖聚合度且具有α-1,4葡萄糖苷键作为非还原端连接的糖分的α-葡萄糖基转移而形成，而不实质性地增加还原能力；使用该酶的α-异麦芽糊精转移方法；形成α-异麦芽糊精葡萄糖醛酸的方法；使用α-异麦芽糊精葡萄糖醛酸形成酶和α-异麦芽糊精转移酶同时制备具有环四糖结构的环四糖的方法；以及使用可获得的糖分的用途。
• Linkage of agents using microparticles
  申请人：Green Howard

  公开号：US20060110379A1

  公开（公告）日：2006-05-25

  Methods, products and kits are provided for attaching agents to a skin surface via microparticles using endogenous or exogenous transglutaminase.

  提供了一种方法、产品和套件，可通过内源或外源性谷氨酰胺转移酶使用微粒子将药剂附着到皮肤表面。
• Sugar derivative
  申请人：——

  公开号：US20040254367A1

  公开（公告）日：2004-12-16

  For extending the uses of a compound represented by, Chemical formula 1, the object of the present invention is to provide a derivative of cyclic tetrasaccharide whose physicochemical properties are changed from those of cyclic tetrasaccaride, a composition comprising the same, and a process for producing the same. The present invention solves the above object by providing a derivative of cyclic tetrasaccharide, which is produced by the steps of reacting a compound represented by Chemical formula 1 with a reactive reagent and substituting one ore more hydroxyl groups with substituents except hydroxyl group and O-glycosyl group; a composition comprising the same; and a process for producing the derivative of cyclic tetrasaccharide. Chemical formula 1 1

  为了扩展化学式1所代表的化合物的用途，本发明的目的是提供一种环状四糖衍生物，其物理化学性质与环状四糖不同，以及包含该衍生物的组合物和制备该衍生物的方法。本发明通过以下步骤提供一种环状四糖衍生物：将化学式1代表的化合物与反应试剂反应，并用除了羟基和O-糖基以外的取代基替换一个或多个羟基；包含该衍生物的组合物；以及制备环状四糖衍生物的方法。化学式11。
• EXTRACT POWDER OF INDIGO PLANT, AND ITS PREPARATION AND USES
  申请人：Fujii Mitsukiyo

  公开号：US20100034757A1

  公开（公告）日：2010-02-11

  The present invention has objects to provide an extract powder of indigo plant, which has a relatively low hygroscopicity, satisfactory fluidability, and improved storage stability; a process thereof; and a composition incorporated with the extract powder. The objects are solved by a process for producing an extract powder of indigo plant, which comprises incorporating a partial starch hydrolyzate with a dextrose equivalent of 10.2 or lower into one part by weight, on a dry solid basis, of an indigo plant extract contained in a liquid extract of indigo plant in an amount of not lower than 0.25 part by weight but not higher than 5 parts by weight, on a dry solid basis, and drying the resulting mixture; an extract powder of indigo plant prepared thereby; and a composition incorporated with the extract powder.

  本发明旨在提供一种靛蓝植物的提取粉末，其具有相对较低的吸湿性、满意的流动性和改善的储存稳定性；其制备方法；以及与提取粉末混合的组合物。通过将DE值为10.2或更低的部分淀粉水解物以不低于0.25份重量但不高于5份重量的干固物基础加入到液态提取的靛蓝植物提取物的一份重量中，并将所得混合物干燥，来解决上述问题；由此制备的靛蓝植物提取粉末；以及与提取粉末混合的组合物。
• EXTERNAL DERMAL COMPOSITION FOR ANTI-AGEING AND METHOD FOR PRODUCING THE SAME
  申请人：HAYASHIBARA CO., LTD.

  公开号：US20150342854A1

  公开（公告）日：2015-12-03

  The present invention has an object to provide an external dermal composition for anti-ageing, which prevents or improves apparent skin problems such as wrinkles, fine wrinkles, blemishes, and saggings caused by increasing age or ageing; and maintains or improves the barrier function and the hyaluronic acid production in the skin. The object is solved by providing an external dermal composition for anti-ageing, which contains an aqueous medium as a base material and one or more ingredients selected from L-ascorbic acid, derivatives thereof, and their salts as an effective ingredient(s).

  本发明的目的是提供一种用于抗衰老的外用皮肤组成物，该组成物可以预防或改善因年龄增长或衰老引起的皮肤问题，如皱纹、细纹、斑点和下垂，并维持或改善皮肤的屏障功能和透明质酸的产生。本发明通过提供一种外用皮肤组成物来实现该目的，该组成物包含水性介质作为基材料，并含有一种或多种从L-抗坏血酸、其衍生物和它们的盐中选择的成分作为有效成分。