查询词典 acetoin

The results also indicated a low production of acetic acid, acetoin and ethyl acetate, and high amounts of amyl alcohols in all of the ciders.

结果在所有萍果汁也表明了乙酸、乙醛和乙酸乙酯的低产量和大量产生的戊基乙醇。

During MLF, diacetyl, acetoin and butylene glycol, as end products, were also produced, which affected the sensory characteristics of wine.

伴随着MLF，还生成了双乙酰，乙偶姻等物质，从而影响着MLF后酒的风味。

The activity of pyruvate formate-lyase and pyruvate dehydrogenase accounts for the observed production of formate, acetate, ethanol and acetoin. In 1978, Hillman isolated one of the mutants of Streptococcus mutans which lack the enzyme activity of dehydrogenase.

当外源性糖丰富的时候，果糖-1，6-二磷酸增加，使LDH活化，90%以上的葡萄糖被转化为乳酸；外源性糖供应不足时，通过丙酮酸甲酸裂解酶和丙酮酸脱氢酶作用产生甲酸、乙酸、3-羟基丁酮和乙醇。

Acetoin is one of the widely-used flavors,which is mainly chemically synthesized and produced by microbe.

乙偶姻是一种应用广泛的食用香料，目前主要通过化学法合成和生物发酵法制备。

The nutritional and environmental conditions for acetoin product ion from Bacillus licheniformis in flasks were studied in this manuscript.

初步研究了摇瓶条件下地衣芽孢杆菌发酵生产3-羟基－2-T酮的工艺条件。

Acetoin was shown to function as an inducer for the expression of aco genes, whereas glucose exhibited a repression effect.

被认定为诱导物的乙醯甲基甲醇可刺激启动区的表现，而葡萄糖则表现抑制现象。

Glucose is the only carbon and energy source,which is used to form biomass,and produces acetoin and by-product via redox balance.

葡萄糖作为唯一的碳源和能源物质，将沿着氧化和还原两个平行路径代谢，产生目的产物和副产物，伴生的其他终产物有2，3-丁二醇、丁二酮、乙酸、乳酸等有机酸。

The study on acetoin crystallization dimer showed that the yield of acetoin-dimer was affected by the optical rotation of acetoin.

对乙偶姻二聚体结晶的研究表明，乙偶姻的旋光值对二聚体的结晶得率影响很大，旋光值越接近于零，结晶得率越高。

Acetolactate decarboxylase can convertα-acetolactate to acetoin which has no effect on beer flavor.

由于酵母菌不能产生ALDC，控制双乙酰含量的主要方法之一就是在啤酒发酵中添加ALDC制剂。

ALDC can decompose a-Acetolactic Acid into Acetoin directly and rapidly.

aldc的可分解-乙酰乙酸乙成直接和迅速。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。