如果水样中有霍乱毒素,霍乱毒素将会附着在葡萄聚糖上,因为葡萄聚糖的化学结构与死于霍乱的死者肠道细胞表面上发现的霍乱毒素受体(神经节苷脂gm1)很相似。
If the cholera toxin is present, the toxin binds to the dextran because its chemical structure is similar to the cholera toxin receptor (GM1) found on the surface of cells in a victim's gut.
这两种杂聚糖都含有相同的主要残基:葡萄糖、半乳糖、阿拉伯糖、鼠李糖、乳糖和半乳糖醛酸。
Both heteroglycans contain the same main residues of glucose, galactose, arabinose, rhamnose, lyxose and galacturonic acid.
由数千或更多的半个蔗糖分子D-葡萄糖构成葡聚糖、淀粉和纤维素;
From thousands or more D-glucose moieties of sucrose the glucans, starch and cellulose, are built.
应用硫酸-苯酚比色法测食品中的粗多糖的含量而且分别用葡萄糖做标准品和用葡聚糖做标准品。
The content of crude Polysaccharides were determinated by the means of UV spectrophotometry and using the criterion of Glucose and the criterion of dextran, respectively.
利用X射线微区分析方法,对壳聚糖固定葡萄糖氧化酶活性进行定位分析。
The localization of the activity of immobilized glucose oxidase on chitosan membrane was studied by X-ray microanalysis.
研究了不同配方的壳聚糖可食性膜对鲜切红地球葡萄粒保鲜效果的影响,测定了冷藏期间主要生理生化指标的变化。
The effects of different edible chitosan complex film on the storability of fresh-cut red-globe grape were studied, and some physiological and biochemical indexes were determined regularly.
结果表明:改变反应温度可制备不同分子量的壳聚糖硫酸酯,并且其对金黄葡萄球菌、大肠杆菌有不同的抑菌效果。
The results indicate that sulfate chitosan with different molecular can be obtained through varying the reaction temperature and they have different antibacterial effects on St. aureus and E. coli.
采用双氧水在中性条件下对壳聚糖进行氧化降解,制备了低聚氨基葡萄糖。
Oligo glucosamine was prepared by oxidative degradation of chitosan with hydroperoxide in the neutral condition.
该文综述谷物食品加工中广泛使用淀粉酶、蛋白酶、脂肪酶、木聚糖酶、葡萄糖氧化酶、转谷氨酰胺酶特性及其应用进展,并展望其发展前景。
This article introduced properties and application of the amylase, protease, lipase, xylanase, glucose oxidase, transglutaminase used widely in cereal food processing and promised its future.
用含2,4 - D、二氧化氯的壳聚糖涂膜剂研究葡萄的常温保鲜效果。
The effect of chitosan coating preservative with 2, 4-d, chlorine dioxide on grapes stored at room temperature was studied.
采用双氧水在中性条件下对壳聚糖进行氧化降解,制备了低聚氨基葡萄糖。
Oligo glucosamine was prepared by oxidative degradation of chitosan with hydroperoxide in the neutral condition. Its moisture retention, hygroscopicity and antimicrobial activity were investigated.
纸层析结果表明,这些组分分别为N -乙酰葡萄糖胺单糖、二聚糖和三聚糖。
The result of paper chromatography is presented which suggests that the fractions are N-acetylglucosamine monomer, dimer and trimer respectively.
结论千里光的抗金黄色葡萄球菌作用机制可能是通过抑制细菌的DNA,RNA,蛋白质和肽聚糖的合成有关,其作用的有效成分可能是黄酮类化合物。
ConclusionThe antibacterial mechanism of SSB on S. aureus may be involved with the inhibition of DNA, RNA, protein and peptidoglycan synthesis, its effective ingredients may be flavonoid compound.
白芷根中蔗糖最高,其次是果聚糖,果糖又次之,葡萄糖含量最低。
In Angelica dahurica's root, the content of sucrose is highest, secondly fructosan, then fructose, and the content of sucrose is lowest.
以盐酸为溶剂,N乙酰基D葡萄糖胺为标准品,用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) as standard.
采用双倍稀释法研究壳聚糖、溶菌酶和牛至油对大肠杆菌和金黄色葡萄球菌的最小抑菌浓度。
Double dilution method was used to determine minimum inhibitory concentration of chitosan, lysozyme and oregano oil against Eschvrichia coli and Staphyloccocus aureus.
魔芋是单子叶多年生草本植物,其球茎中富含的葡萄甘露聚糖在食品、医药、化工和农业中具有广泛的应用。
Amorphophallus is a monocotyledonous perennial herb. Konjac glucomannan which is rich in the corm has been applied widely in food, medicine, chemistry and agriculture industry.
本文研究了在过氧化物酶的体系下利用木素前驱物松柏醇葡萄糖苷与果胶和葡苷聚糖的复合体来提高纸张的强度。
This paper studied coniferin in the peroxidase system with glucomannan and pectin complex to improve the strength of paper.
本文研究了在过氧化物酶的体系下利用木素前驱物松柏醇葡萄糖苷与果胶和葡苷聚糖的复合体来提高纸张的强度。
This paper studied coniferin in the peroxidase system with glucomannan and pectin complex to improve the strength of paper.
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