摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

6-O-beta-D-半乳糖基-D-葡萄糖 | 28447-39-4

中文名称
6-O-beta-D-半乳糖基-D-葡萄糖
中文别名
N-{2-[4-氯-5-甲基-2-(1-甲基乙基)苯氧基]乙基}丙烷-2-胺盐酸;6-O-BETA-D-半乳糖基-D-葡萄糖
英文名称
allolactose
英文别名
6-O-|A-D-Galactopyranosyl-D-glucose;(2R,3S,4R,5R)-2,3,4,5-tetrahydroxy-6-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexanal
6-O-beta-D-半乳糖基-D-葡萄糖化学式
CAS
28447-39-4
化学式
C12H22O11
mdl
——
分子量
342.3
InChiKey
AYRXSINWFIIFAE-ONMPCKGSSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 熔点:
    186-188℃
  • 沸点:
    774.5±60.0 °C(Predicted)
  • 密度:
    1.68±0.1 g/cm3 (20 ºC 760 Torr)
  • 溶解度:
    Soluble (water)

计算性质

  • 辛醇/水分配系数(LogP):
    -5
  • 重原子数:
    23
  • 可旋转键数:
    8
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.92
  • 拓扑面积:
    197
  • 氢给体数:
    8
  • 氢受体数:
    11

安全信息

  • 储存条件:
    | <0°C;存放在惰性气体中;避免潮湿(易吸湿),需加热 |

SDS

SDS:cdfe2e89cde9d93311537308215129f2
查看

制备方法与用途

allolactose是一种类似于乳糖的双糖,能够诱导大肠杆菌及其他许多肠道细菌中的lac操纵子表达。

上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

  • 作为反应物:
    描述:
    D-鞘氨醇6-O-beta-D-半乳糖基-D-葡萄糖乙醇 作用下, 生成 O6-β-D-galactopyranosyl-D-glucose-((1S,2R)-2-hydroxy-1-hydroxymethyl-heptadec-3t-enylimine)
    参考文献:
    名称:
    Masamune et al., Tohoku Journal of Experimental Medicine, 1956, vol. 65, p. 157,161, 162
    摘要:
    DOI:
  • 作为产物:
    描述:
    乳糖 在 enzyme-substance from saccharomyces fragilis 作用下, 生成 6-O-beta-D-半乳糖基-D-葡萄糖
    参考文献:
    名称:
    Structural Characterization of Products of Enzymatic Disproportionation of Lactose1
    摘要:
    DOI:
    10.1021/ja01534a033
点击查看最新优质反应信息

文献信息

  • Production of lactose-free galacto-oligosaccharide mixtures: comparison of two cellobiose dehydrogenases for the selective oxidation of lactose to lactobionic acid
    作者:Thomas Maischberger、Thu-Ha Nguyen、Prakit Sukyai、Roman Kittl、Sergio Riva、Roland Ludwig、Dietmar Haltrich
    DOI:10.1016/j.carres.2008.01.040
    日期:2008.8
    reuteri contains 48% monosaccharides, 26.5% lactose and 25.5% GalOS. To remove efficiently both monosaccharides and lactose from this GalOS mixture containing significant amounts of prebiotic non-lactose disaccharides, a biocatalytic approach coupled with subsequent chromatographic steps was used. Lactose was first oxidised to lactobionic acid using fungal cellobiose dehydrogenases, and then lactobionic acid
    半乳糖寡糖是各种糖的复杂混合物,是使用β-半乳糖苷酶通过乳糖的半乳糖半乳糖基化反应制得的,由于其益生元特性,因此在食品和饲料应用中引起了极大的兴趣。当前市场上可获得的大多数低聚半乳糖制剂包含大量的单糖和乳糖。使用来自路氏乳杆菌的重组β-半乳糖苷酶由乳糖生产的本研究中的半乳糖低聚糖(GalOS)混合物包含48%单糖,26.5%乳糖和25.5%GalOS。为了从含有大量益生元非乳糖二糖的GalOS混合物中有效去除单糖和乳糖,使用了生物催化方法和后续的色谱步骤。首先使用真菌纤维二糖脱氢酶将乳糖氧化为乳糖酸,然后通过离子交换和尺寸排阻色谱法去除乳糖酸和单糖。比较了两种不同的纤维二糖脱氢酶(CDH),它们分别来自罗氏菌和嗜热菌(Myriococcum thermophilum),它们在该过程中的适用性。来自罗氏链球菌的CDH对底物乳糖显示出更高的特异性,并且在长时间温育过程中,只有少量其他成分被Ga
  • Levansucrase of lactobacillus johnsonii
    申请人:Société des Produits Nestlé S.A.
    公开号:EP1357180A1
    公开(公告)日:2003-10-29
    The present invention pertains to a new levansucrase gene derived from a food grade micro-organism. The present invention also relates to a polypeptide encoded by said gene and to its use in the manufacture of food material.
    本发明涉及一种源自食品级微生物的新型左旋琥珀酸酶基因。本发明还涉及由上述基因编码的多肽及其在食品原料生产中的应用。
  • Electrode array device having an adsorbed porous reaction layer
    申请人:CUSTOMARRAY, INC.
    公开号:US10286377B1
    公开(公告)日:2019-05-14
    There is disclosed an electrode array device having an adsorbed porous reaction layer for improved synthesis quality. The array comprises a plurality of electrodes on a substrate, wherein the electrodes are electronically connected to a computer control system. The array has an adsorbed porous reaction layer on the plurality of electrodes, wherein the adsorbed porous reaction layer comprises a chemical species having at least one hydroxyl group. In the preferred embodiment, the reaction layer is sucrose. A method for preparing an electrode array for improved synthesis quality is disclosed. The method comprises a cleaning method and a method of attachment of a reaction layer. The cleaning method comprises a plasma cleaning method and a chemical cleaning method. The reaction layer is attached after cleaning by exposing the microarray to a solution containing the chemical species having at least one hydroxyl group.
    本发明公开了一种具有吸附多孔反应层的电极阵列装置,可提高合成质量。该阵列包括基板上的多个电极,其中电极以电子方式连接到计算机控制系统。阵列在多个电极上具有吸附多孔反应层,其中吸附多孔反应层包括具有至少一个羟基的化学物质。在优选的实施方案中,反应层为蔗糖。本发明公开了一种用于制备提高合成质量的电极阵列的方法。该方法包括清洁方法和附着反应层的方法。清洗方法包括等离子清洗法和化学清洗法。通过将微阵列暴露于含有至少一个羟基的化学物质的溶液中,在清洗后附着反应层。
  • Alpha-galactosidase as food-grade genetic marker
    申请人:——
    公开号:US20040157308A1
    公开(公告)日:2004-08-12
    The invention relates to a 4007 bp DNA fragment from the strain Lactococcus raffinolactis ATCC 43920 containing two genes. The first gene (named aga) codes for an enzyme with an alpha-galactosidase activity. The second gene (named galR) codes for a transcriptional regulator which would act as a regulator of aga. When present in a lactic acid bacterium such as Lactococcus lactis , this DNA fragment can modify the sugar fermentation profile of the strain from melibiose-negative to melibiose-positive. The utilisation of a culture media containing melibiose as the sole carbon source and bromcresol purple as pH indicator allows the identification of the melibiose-fermenting bacteria as yellow colonies on a purple background.
    本发明涉及来自菌株 Lactococcus raffinolactis ATCC 43920菌株的4007 bp DNA片段,其中含有两个基因。第一个基因(名为 aga)编码一种具有α-半乳糖苷酶活性的酶。第二个基因(名为 galR)编码一种转录调节因子,该因子可作为 aga 的调节因子。当乳酸菌(如 乳酸乳球菌 等乳酸菌中时,该 DNA 片段可改变菌株的糖发酵特性,使其从瓜寡糖阴性变为瓜寡糖阳性。利用含三聚氰胺糖作为唯一碳源、溴甲酚紫作为 pH 指示剂的培养基,可以鉴定出三聚氰胺糖发酵菌,即紫色背景上的黄色菌落。
  • Polynucleotide sequences encoding alkaline alpha-galactosidases and methods of using same
    申请人:Schaffer Arthur
    公开号:US20050208520A1
    公开(公告)日:2005-09-22
    The present invention provides a method of identifying alkaline-α-galactosidases. Also provided are novel polynucleotide sequences encoding polypeptides having an alkaline-α-galactosidase activity, oligonucleotides and oligonucleotide analogs derived from the polynucleotide sequences, peptides and peptide analogues, antibodies recognizing same and methods of using same.
    本发明提供了一种鉴定碱性-α-半乳糖苷酶的方法。本发明还提供了编码具有碱性-α-半乳糖苷酶活性的多肽的新型多核苷酸序列、衍生自多核苷酸序列的寡核苷酸和寡核苷酸类似物、肽和肽类似物、识别它们的抗体以及使用它们的方法。
查看更多