Amino sugar

A capillary electrophoresis-laser induced fluorescence-intensified charge coupled device system was used for the high-sensitivity analysis of amino sugar.

利用毛细管电泳－激光诱导荧光－增强型电荷耦合器件系统，高灵敏度检测了痕量氨基糖。

Determination of total amino sugar of COS by acid hydrolysis was discussed.

在氨基总糖含量的测定中，着重研究了影响测定的关键步骤即酸水解的条件。

the contents of amino acid and soluble sugar in coiling tea are lower than those in needle like and flat tea, the content of caffeine is in the middle, the content of water extractives is the highest, and the content of polyphenol is high, too.

卷曲形名茶氨基酸及可溶性糖总量较低，咖啡碱含量居中，水浸出物含量最高，茶多酚含量亦较高。

path analysis further indicated that the amino acid n and ammonia n had highly direct path coefficients to the mineralized n and made great contributions to the mineralized through the amino sugar n, but the amino sugar n had no such contributions though other components.

通径分析进一步表明氨基酸态氮和铵态氮对可矿化氮有很高的通径系数，表明了它们有着直接重大贡献，而氨基糖态氮直接通径系数甚低。

Under water stress the organic solutes ( amino acid, sugar and organic acid) were markedly increased, especially amino acid, which accounted for more than 9% of COP.

PEG处理使有机溶质（氨基酸、糖、有机酸）含量明显增加，特别是氨基酸占COP的9%。

Effects of molybdenum application on contents of free amino acid, soluble sugar and protein of winter wheat at different growth stages were studied under pot culture experiments with the soils collected from Xinzhou, Wuhan, China.

在土培条件下，采用分期播种方法，研究了施用钼肥对冬小麦游离氨基酸、可溶性蛋白质和糖含量的影响。

results showed that the effects of water content, piling temperature and duration on the contents of tea polyphenols and chlorophyll respectively were significant, but the effects of piling temperature and duration on the contents of protein, amino acids and soluble sugar were not significant.

结果表明，茶叶含水量、闷堆温度和闷堆时间对茶多酚和叶绿素含量影响达到极显著水平，而闷堆温度和闷堆时间对蛋白质、氨基酸和可溶性糖的含量影响不显著；

Effects of Molybdenum Application on Contents of Free Amino Acid, Soluble Sugar and Protein of Winter Wheat at Different Growth Stages

施用钼肥对冬小麦游离氨基酸、可溶性蛋白质和糖含量的影响

N acetyl D glucosamine ( NAG) is an important amino sugar with a lot of physiological activities and functional properties.

乙酰-D-葡糖胺是一种具有多种生理活性和功能性质的重要氨基糖。

the main results were as follows: ( 1) during vernalization ( 2~ 4 ℃ temperature treatment), the contents of soluble protein, free amino acid and soluble sugar in the growing point of two various cultivars changed in a similar tendency.

主要试验结果如下：（1）低温处理过程中，抽薹性差异较大的两个品种短叶十三和长春大型可溶性蛋白、游离氨基酸、可溶性糖含量变化趋势基本一致。

The contents of soluble protein and total soluble nitrogen in chicken soup reduced after the first increase, but the changing trend of contents of free amino acid, soluble sugar and nucleotide were ruleless.

同时随着加压时间的延长，鸡汤可溶性蛋白含量和总可溶性氮含量表现出先增加后减少的趋势，而游离氨基酸含量、可溶性糖含量和核苷酸含量的变化趋势不规律。

N fertilizer significantly increased ammonium N but decreased amino sugar N, whereas the increase in amino acid N and HUN was not obvious.

在酸解性氮中，氮肥显著提高了氨态氮的含量但降低了氨基糖氮的含量，氨基酸态氮和酸未知氮的含量增加不显著。

the gas chromatography-mass spectrometry analysis identified 44 drought-responsive metabolites in leaves or roots of two genotypes, including 15 organic acids, 14 amino acids, 10 sugar and sugar alcohols, 3 fatty acids and 2 n-compounds.

在狗牙根2个基因型的叶片或根系中，GC-MS分析总共鉴定出44种代谢产物：15种有机酸、14种氨基酸、10种糖与糖醇、3种脂肪酸以及2种含氮化合物。

A series of novel C10 higher carbon amino sugar derivatives are synthesized for the first time. Structure Elucidation of A Higher Carbon Sugar-Derived Amino Alcohol and Its Hydrolysate by NMR

首次报道了新型C10高碳糖胺基衍生物的合成.含高碳糖片断的氨基醇及水解产物的波谱分析

On the Application of the Highly Effective Amino Acid Sugar Phosphatide on Peaches and Grapes

高效氨基酸糖磷酯在桃和葡萄上的应用

It was also indicated that the changing of IOD activity, the contents of amino acid and reducing sugar in leaves was identical with the trees, seasonal development.

并且生长季中叶片IOD活性强弱、氨基酸和还原性糖含量高低与桃树生长发育的季节性变化相一致。

The young cotyledon soybean callus tissues were cultured in the different concentration NaCl medium. For five generations, the contents of protein, amino and soluble sugar of soybean callus tissue were measured.

在含不同浓度NaCl的MS培养基上，继代5次培养大豆发育子叶的愈伤组织，分析了不同盐浓度培养的大豆愈伤组织的蛋白质、氨基酸和可溶性糖的含量。

Based on these results, studying the effect of the temperature function level, pH value and extraction value on the amino acid, total sugar and soluble subjects contents at constant ratio of water and Hericium erinaceus.

在此基础上进行了单因素分析试验，在料水比一定的条件下，研究不同温度、pH值、提取时间对提取液氨基酸总量、总糖和可溶性固形物含量的影响。

Little work has been done on amino sugar biosynthesis.

在氨基糖生物合成方面,工作做得很少.

SOD and POD activity MDA content changes in root were similar with leaf. ( 4) Selenium improved the quality of tomatoes, increased content of Vc, free amino acid, reducing sugar and reduced the nitrate content in fruit.

番茄根部也有类似的变化。（4）施硒改善了番茄的品质，提高了番茄果实中维生素C、游离氨基酸和还原糖的含量，降低了硝酸盐含量。

In addition, to investigate the physiological responses to formaldehyde stress in these plants, total protein, amino acid, soluble sugar and malondialdehyde contents were measured after the plant leaves were treated with formaldehyde.

此外，还检测了甲醛胁迫条件下3种观赏植物总蛋白、可溶性糖和丙二醛含量等生理指标的变化情况，对观赏植物响应甲醛的生理机理进行初步探讨。

A computational study on Regio-and stereoselectivity of amino sugar synthesized by the 1,3-dipolar cycloaddition reactions

硝酮与烯烃的1,3-偶极环加成反应区位和立体选择性的量子化学计算研究

The contents of amino acid, sugar and chlorophyll in different cucumber varieties with different resistance to downy mildew of cucumber were tested.

对黄瓜霜霉病抗性不同的黄瓜品种氨基酸含量进行测定，结果表明，在萌动种子内，除谷氨酸、赖氨酸和NH3外，其它氨基酸的平均含量抗病品种高于感病品种；

Normally, the T-DNA region contains genes for auxin and cytokinin biosynthesis and for amino acid and sugar derivative production.

通常T-DNA区都含有生长素和细胞分裂素合成基因以及氨基酸和糖类衍生物合成基因。

Experiment results showed that silicon applying has a significant effect to the quality of tea; when applying silicon in soil, the content of amino acid and soluble sugar in tea increased 38.66% and 16.98% respectively compared with the CK.

结果表明：施用硅肥对茶叶品质具有显著影响，土壤施硅可使茶叶中氨基酸和可溶性糖含量比对照分别提高38.66%和16.98%，而茶多酚和咖啡碱的含量分别降低15.28%和20.24%；

Studies on the Fluorometric Determination of Amino Compounds in Cane Sugar Products

荧光法测定甘蔗糖品氨基化合物的研究

NPM separately increases hydrolysable N, aminoacid N and amino sugar N in topsoil by 192.58 mg/ kg, 223.44 mg/ kg and 25.66 mg/ kg, but ammoniacal N content is decreased.

NPM处理土壤耕层水解总氮与对照相比增加192.58mg/kg、氨基酸氮增加223.44mg/kg、氨基糖氮增加25.66mg/kg，而氨态氮含量则大幅度降低；

The dynamic changes of the main active substance ( total flavonoids) and general nutrients ( solubility proteins 、 amino acid and soluble sugar) contents in the leaves of different Vaccinium bracteatum provenances were studied in the paper.

本试验对20个不同种源乌饭树嫩叶中主要活性物质（总黄酮）和一般营养成分（可溶性蛋白、游离氨基酸、可溶性总糖）的含量进行了研究。

The contents of MDA, Pro, free amino acid and soluble sugar increased;

MDA、脯氨酸、游离氨基酸、可溶性糖含量升高；

Effects of nitrogen supply level on microbial transformation of amino sugar in a mollisol amended with maize straw

不同供氮水平对施用玉米秸秆后黑土氨基糖转化的影响