阿拉伯糖

pH对阿拉伯糖-半胱氨酸模型体系挥发性风味物质形成的影响

Effect of pH on the formation of volatile substances in the model system of arabinose / cysteine

借助于HPLC法检测香蕉皮稀酸水解液并得出其包含葡萄糖、木糖、甘露糖以及阿拉伯糖四种单糖。

Glucose , mannose , xylose and arabinose were found in the hydrolyzate of banana peels by the HPLC .

多糖PⅠa的单糖组成为D-阿拉伯糖、D-半乳糖、D-木糖、D-葡萄糖。

P I a was composed of D - pectinose , D-galactose , D - xylose and D-glucose .

采用离子色谱法确定多糖PⅡ的单糖组成为D-阿拉伯糖、D-半乳糖、D-鼠李糖、D-葡萄糖、D-果糖和D-木糖，D-阿拉伯糖是主要成分；

Ion-chromatography detection indicated that P II was composed of D-pectinose , D-galactose , D-rhamnose , D-glucose , D-fructose and D-xylose , and the main component is D-pectinose .

AG是分枝杆菌细胞壁的重要组成部分，是由聚阿拉伯糖和聚半乳糖组成的具有复杂分支结构的大分子聚糖。

AG , consisted with arabinan and galactan , is the important component of mycobacterial cell wall .

五种缓冲剂对根瘤菌生长的酵母汁阿拉伯糖半乳糖培养基（YAG）低pH的缓冲作用进行了测定。

Five buffers were examined for their ability to buffer low pH during the growth of Rhizobium in yeast extract-Arabinose-galactose medium ( YAG ) .

结果表明：TPS是一类与蛋白质结合在一起的酸性糖蛋白，其多糖部分是由阿拉伯糖、核糖、木糖、葡萄糖及半乳糖组成；

The tea polysaccharides ( TPS ) were composed of arabinose , ribose , xylose , glucose and galactose .

经TLC和高效液相色谱（HPLC）分析金耳胞外多糖由岩藻糖、木糖、鼠李糖、阿拉伯糖、葡萄糖、半乳糖组成。

Its mono-saccharide composition was identified by thin-layer chromatography and HPLC . TEP consists of rhamnose , arabinose , xylose , fucose , glucose , galactose .

水稻和芒草中，4MKOH提取液中主要的单糖是木糖和阿拉伯糖。

The main monosaccharides of 4M KOH extraction fraction from Miscanthus and rice straw were xylose and arabinose .

用GC测定了吉如很阿嘎如-8中可溶性多糖由阿拉伯糖、木糖、甘露糖、半乳糖、葡萄糖等组成。它们的摩尔比为1.00：0.76：3.61：2.88：5.00。

The components of water soluble polysaccharide were identified by gas chromatography as : arabinose , xylose , Mannose , galactose , glucose in the molar ratio of 1.00:0.76:3.16:2.88: 5.00 .

其中WGPⅡ，完全酸水解后，经HPLC测定，主要由葡萄糖、木糖、阿拉伯糖3种单糖组成。

After acidic hydrolysis , and assayed by HPLC , WGP ⅱ was mainly consisted of glucose , xylose and arabinose .

但C法中5%H2SO4水解样品则为木糖、阿拉伯糖、半乳糖、葡萄糖和甘露糖。pH对阿拉伯糖-半胱氨酸模型体系挥发性风味物质形成的影响

The C5 was the best condition of hydrolysis on Mg-SSL . Effect of pH on the formation of volatile substances in the model system of arabinose / cysteine

其核心结构由最内层的肽聚糖（Peptidoglycan，PG）、中间层的聚阿拉伯糖半乳糖（Aribinangalactan，AG）以及最外层的分枝菌酸（Mycolicacid）所构成。

The core of mycobacterial cell wall consists of inner layer peptidoglycan ( PG ) , middle layer arabinogalactan ( AG ) and outer layer mycolic acid .

TLC和GC分析表明2种多糖的糖组成完全相同，主要由葡萄糖、半乳糖、阿拉伯糖、鼠李糖、来苏糖、木糖、葡萄糖醛酸、半乳糖醛酸组成。

It was identified by TLC and GC that both heteroglycans contain the same main residues of glucose , galactose , arabinose , rhamnose , lyxose , xylose , glucuronic acid and galacturonic acid .

利用电化学和微量量热技术测定了NaCl和一些单糖（D-葡萄糖、D-半乳糖、D-木糖和D-阿拉伯糖）在水中相互作用的焓、熵及Gibss自由能参数。

Electrochemical and calorimetric methods are used to determine enthalpic , entropic and Gibbs free energy interaction parameters for the NaCl monosaccharide ( D glucose , D galactose , D xylose and D arabinose ) water systems .

从这些试验也可看出mer基因表达象阿拉伯糖（ara）操纵子那样是受双重调节的。

From these results we argue that the regulation mer operon expression might be analogous to ara operon , which is regulated both positively and negatively .

APBs-3主要山阿拉伯糖组成，并含有与APBs-1相同的一未知单糖。

The APBs-3 mainly composed Ara . and an unknown monosaccharide .

综上所述，聚阿拉伯糖内切酶不仅是一种新型的工具酶，同时也为研究其他AG水解酶提供了比对依据，可以进一步应用于结核分枝杆菌细胞壁的结构分析及寻找抗结核药物作用的靶点。

In a word , endo-arabinase was not only a powerful tool but also a compare basis on the studied of other AG-degrading-enzyme . In addition , it could provide further insight into the complex structures of mycobacterial cell walls and exploitation of the targets of anti-TB drugs .

大部分阿拉伯糖和部分木糖位于NFG-1的侧链或末端；

Most of arabinoses and part of xyloses were in the side-chain or at the end group .

利用薄板层析（TLC）实现反应底物与产物的有效分离，并利用该方法来检测聚阿拉伯糖内切酶的活性，结合Quanti-Scan软件进行定量分析。

Attempt to separate the product from substrate based on the thin layer chromatography ( TLC ) and do arabinase activity assay with this method , quantitatively analyzed with Quanti-Scan software .

SBP-12由鼠李糖、阿拉伯糖、葡萄糖和半乳糖组成，其摩尔比为0.71：0.81：1：0.91。

SBP-12 was composed of rhamnose , arabinose , glucose and galactose in molar radio of 0.71 : 0.81:1: 0.91 .

实验表明，细胞壁是M.TB赖以生存的重要屏障，阿拉伯糖是细胞壁的重要组成成分。

Studies showed that cell wall was important to the survival for TB and arabinose was an important element of cell wall .

结果表明：SBP-11由鼠李糖、木糖、阿拉伯糖、葡萄糖和半乳糖组成，其摩尔比为1：0.21：0.38：0.52：0.78。

GC showed that SBP-11 was composed of rhamnose , fucose , arabinose , glucose and galactose in molar radio of 1:0.21:0.38:0.52: 0.78 .

当乙胺丁醇作用于M.TB后，M.TB的细胞壁中阿拉伯糖大量流失，细胞壁结构遭到破坏。

After treated with EMB , arabinose in cell wall of TB was lost greatly , and the structure of the cell wall was destroyed .

经纸层析分析，多糖PP-I主要由半乳糖、葡萄糖、鼠李糖、阿拉伯糖等单糖组成，PP-II主要是由半乳糖、葡萄糖、木糖、葡萄糖醛酸等单糖组成的杂多糖。

Both pumpkin polysaccharides were analyzed by paper chromatography , PP-I composed mainly of galactose , glucose , rhamnose , arabinose , and PP-II composed mainly of galactose , glucose , xylose and glucuronic acid .

在适当的条件下，半纤维素被半纤维素酶水解后，用聚丙烯酰胺凝胶（Bio-gelP-2）柱层析法及纸上分配层析法分离半纤维素的水解产物，可以得到木低聚糖、木糖、阿拉伯糖和甘露糖等组分。

Advance in Studies on Xylo-oligosaccharide Production In proper conditions , the hemicellulose is hydrolyzed by hemicellulase . The hemicelluloses hydrolysate could be isolated on a polyacrylamide ( Bio-Gel P-2 ) chromatography and paper chromatography , some samples such as xylo-oligosaccharide , xylose , arabinose , mannose and so on .

兴安落叶松阿拉伯糖基半乳聚糖化学结构的研究

Studies on the chemical structure of arabinogalactan from Larix gmelini rupr

联合使用这些高效的柱层析方法得到了单一的蛋白条带，并具有聚阿拉伯糖内切酶的活性。

Combined chromatography methods were used to purify endo-arabinase effectively .

氧化鸡脂和阿拉伯糖/半胱氨酸模型体系的相互作用

The interaction between oxidized chicken fat and arabinose / cysteine model reaction

细菌血红蛋白基因在产D-阿拉伯糖醇酵母菌中的克隆与表达

Cloning and expression of VHb gene in d-arabitol producing yeast