糖基

The result showed that the temperature of denature for the formeris 106.67°C, while that for the latter is 66.84°C. These results showed that theoligosaccharide chain of SPWSG played a role of strengthening resistance todenaturation.

采用DSC对甘薯水溶性糖蛋白的热力学性质进行了研究，结果表明甘薯水溶性糖蛋白的热变性温度为106.67°C，而去糖基后的热变性温度为66.84°C，说明糖蛋白上的寡糖链对其有较好的稳定作用，具有增强糖蛋白抗变性的功能。

It has unique substrate specificity, and required minimal sugar chain in the degradation direction and synthesis direction of trisaccharide and disaccharide separately.

该酶具有独特的底物特异性，其降解方向和合成方向所需的最小糖链长度分别为三糖和二糖，均比普通的葡聚糖磷酸化酶少一个糖基以上。

A new analysis system for enrichment of glycoproteins/glycopeptides as well as the identification of glycoproteins/glycosylation sites was also established by coupling enrichment of glycopeptides by hydrazide- functionized magnetic microspheres with release of polysaccharide chains by PNGase F and mass spectrometry as well.

本实验还将肼功能化磁粒富集糖肽方法与糖肽酶酶解、生物质谱等方法相结合，建立起了一套可用于糖蛋白/糖肽分离富集并进行糖蛋白/糖基化位点鉴定的新体系。

Its average molecular weight was 433048.The results analyzed by HPLC after complete hydrolysis by acid showed that WLP-2 was mainly consisted of rhamnose,Xylose,arabinose,glucose and galacto...

WLP-2完全酸水解后，经高效液相色谱分析确定其糖基的组成为鼠李糖、木糖、阿拉伯糖、葡萄糖和半乳糖，摩尔比为3.21∶1.00∶1.66∶1.90∶4.03。

It was found that OTPS 2-1 was a trinal compound of polysaccharide containing rich uronic acid and little protein by using methods of UV, IR, GC, HPLC and GPC-LLS.

经GC，HPLC，UV，IR和GPC-LLS证实OTPS 2-1是富含糖醛酸和少量蛋白质的三元糖复合物，相对重均分子量为8.877×10^4，糖基由半乳糖、葡萄糖、阿拉伯糖、岩藻糖和鼠李糖组成，其摩尔比为

On the basis of spectral analysis, these compounds were identified as Kaempferol , Kaempferol-3-O-β-D-glucopyranoside , Kaempferol-3-O-β-D-galactopyranoside, Quercetin , Quercetin-3-O-β-D-arabinopyranoside, Quercetin-3-O-β-D-galactopyranoside, gallic acid, methyl gallate-4-O-β-D- galactopyranoside, caffeicacid, methyl caffeate, 4-cafeoyl-(3"a, 4"a, 5"β)- trihydroxyquinic acid, 3"-cafeoyl-(3"a, 4"P, 5"P )-trihydroxyquinic acid methyl ester, 5"-cafeoyl-galactonic acid , pumiloside, loganic acid , 5R,6S,7E-megastima-3-on-7-en-9-ol 9-O-β-D-glucopyranoside. 2a, 3β-dihydroxy-oleanoic acid , 2a, 3β, 23-trihydroxy-oleanoic acid, 3a, 6a-dihydroxy-oleanoic acid, 3β-hydroxy-ursoic acid, 2a, 3a, 23-trihydroxy-ursoic acid , 2a, 3β, 23-trihydroxy-ursoic acid, 2β, 3β, 19a -trihydroxy-ursoic acid, 2a , 3β, 19a -trihydroxy-ursoic acid-28-O-β-D-glucopyranoside , 2a. 3a, 19a-trihydroxy-ursoic acid-28-O-β-D-glucopyranoside, 2a, 3a, 19a, 23-tetrahydroxy-ursoic acid, 1a, 3a, 19a, 23-tetrahydroxy-ursoic acid-28-O-β-D-glucopyranoside , 3a, 19a, 23-trihydroxy-ursoic acid.

从珙桐中分离鉴定得到了28种化合物，它们分别是：山奈酚，3-O-β-D-吡喃葡萄糖基-山奈酚甙，3-O-β-D-吡喃半乳糖基-山奈酚甙，槲皮素，3-O-β-D-吡喃阿拉伯糖基-槲皮素甙，3-O-β-D-吡喃半乳糖基-槲皮素甙，没食子酸，4-O-β-D-吡喃半乳糖基-没食子酸甲酯，咖啡酸，咖啡酸甲酯，4-咖啡酰基-(3&α，4&α，5&β)-三羟基鸡纳酸，4-咖啡酰基-(3&α，4&β，5&β)-三羟基鸡纳酸甲酯，5'-咖啡酰基-半乳糖酸，pumiloside，loganic acid，5R，6S，7E-megastima-3-on-7-en-9-ol9-O-β-D-glucopyranoside，2α，3β-二羟基齐墩果酸，2α，3β，23-三羟基齐墩果酸，3α，6α-二羟基齐墩果酸，3β-羟基熊果酸，2α，3α，23-三羟基熊果酸，2α，3β，23-三羟基熊果酸，2β，3β，19α-三羟基熊果酸，2β，3β，19α-三羟基熊果酸-28-O-β-D-吡喃葡萄糖甙，2α，3α，19α-三羟基熊果酸-28-O-β-D-吡喃葡萄糖基甙，2α，3α，19α，23-四羟基熊果酸，2α，3α，19α，23-四羟基熊果酸-28-O-β-D-吡喃葡萄糖基甙，3α，19α，23-三羟基熊果酸。

Such structural complexity is further enhanced by O-acetylation, esterification, lactonization, as well as other forms of substitutions, reflecting significance of carbohydrates in cell recognition.

细胞表面上糖缀合物的糖链经常以多/寡聚体形式存在，并且结构复杂，常常大量表达唾液酸、糖醛酸、硫酸化糖基等酸性糖，并发生O-乙酰化、酯化和内酯化等修饰。

Four fractions of OTPS was obtained by DEAE-52 column chromatography, and there were obvious differences not only in contents of neutral sugar, uronic acid and protein of OTPS, but also in inhibiting effects on hydroxyl radical

获得的乌龙茶多糖主要组分OTPS2-1是富含糖醛酸和少量蛋白质的三元糖复合物，相对重均分子质量为8.877 10^4，糖基由半乳糖、葡萄糖、阿拉伯糖、岩藻糖和鼠李糖组成，其摩尔比为

The treatment comparison by using Chinese TANG Kidney capsule and Western medicine TANG SHI PIN showed: the kidney capsule can lower the values of the blood sugar, blood fat, series of micro-protein un urine and carbon monoxide in plasma, thus the function of kidney can be improved, and prolong the process of deadness and hardening of the affected kidney small cell fibre.

利用该模型选择中药糖肾胶囊与西药糖适平对照治疗研究，结果显示：糖肾胶囊能降低糖尿病肾病大鼠的血糖、血脂、尿素氮、肌酐、尿系列微量蛋白及血一氧化氮等指标，从而减轻糖尿病肾病大鼠肾小球的高灌注高滤过，降低糖化血红蛋白含量，减轻非酶糖基化，改善肾功能，降低血脂、内皮素、调节血栓素、前列腺素水平，有抗脂质过氧化损伤的作用。

Glycosyl sulfides and glycosyl sulfoxides are useful synthetic intermediates or synthons.

糖基硫苷和糖基亚砜是寡糖合成中的重要中间体或合成子。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。