查询词典 lactic

Was used as main material to produce lactic acid beverage ,the best fermented conditions determined by orthogonal test is that the additive amount of lactic acid bacteric is 2%,the additive amount of sucrose is 7%,the additive amount of pure milk is 15% and the fermented time is 30 hours.

以金樱子果为主要原料，研制乳酸饮料。运用正交实验确定其最佳发酵条件为乳酸发酵菌剂接种量为2%，加糖量为7%，牛奶添加量为15%，发酵时间为30h。所得产品口感良好、性质稳定，是一种营养保健的大众饮品

This paper focused on the breeding of an L-lactic acid producing bacteria Lactobacillus easei YBQ1-1, studying the characteristics, medium components, pH and metabolic network of the mutant YBQH2-14 obtained after being selected.Using UV irradiation, L.casei YBQH2-14 was selected in the different plate media such as the medium with high concentration of glucose, lactic acid , CaCO3 -Bromocresol purple and KMnO4 -KBr.

本文主要对L-乳酸生产菌株(Lactobacillus casei YBQ1-1)进行了诱变选育，并研究了突变株YBQH2-14发酵条件对生产L-乳酸的影响，构建了L.caseiYBQH2-14的代谢网络模型，分析了分批发酵不同阶段的代谢通量，同时研究了L-乳酸的应用——黑麦麸皮粉发酵。

Among them, 3 strains isolated from yellow water could convert lactic acid into ethanol and most strains isolated from Daqu could convert lactic acid into flavoring compositions such as ethanol, isobutyric acid, caproic acid or isovaleric acid etc.

其中，从黄水和大曲中分离到多种降乳菌，黄水中的3株菌可将乳酸转化为乙醇，大曲中的多数降乳菌可转化乳酸为异丁酸、己酸、异戊酸、乙醇等风味成分。

The esterifying effects of monascus, daqu and rhizopus strain on single acid (acetic acid, caproic acid, lactic acid, butyric acid) and mixed acid (acetic acid,caproic acid,lactic acid, and butyric acid mixed together according to the ratio of 1∶1∶1∶1) were studied.

对红曲霉、大曲以及根霉菌对单一酸（乙酸、己酸、乳酸、丁酸）和混合酸（四大酸按1∶1∶1∶1混合）的酯化效果进行了研究，结果表明，红曲霉能促进己酸、丁酸及混合酸与乙醇的酯化作用，生成的酯类物质均为己酸乙酯，而且酯化能力极强；大曲能促进己酸、丁酸及混合酸与乙醇的酯化作用，生成的酯类物质均为己酸乙酯，并且能促进乙酸与乙醇的酯化生成乙酸乙酯；根霉能促进己酸和混合酸与乙醇的酯化作用，生成少量的己酸乙酯和乳酸乙酯。

The lactic acid had some results.Conclusion:It is concluded that chitosamine can reduce the amount of total acid after S.mutans metabolization,especially lactic acid.

甲壳胺能使变链菌代谢后的总酸量降低，包括挥发酸和非挥发酸，特别是乳酸。

An innovative process for the production of high molecular weight poly(L-lactic acid) was presented, featuring solid-state polycondensation of L-lactic acid in a closed system with a dehydrant to remove water selectively.

研究在真空密闭、存在脱水剂的条件下聚乳酸固相缩聚工艺的可行性，得到了分子量达25万的聚乳酸；实验研究了催化剂浓度，预聚体粒度和反应时间对缩聚过程的影响，表明降解副反应仍然是控制聚乳酸最终分子量的重要因素。

Based on the higher alcohols and lactic acid metabolism theory, a method was developed to low higher alcohols capability Saccharomyces cerevisiae strains by screening high lactic acid dehydrogenization enzyme activity in this study.

本研究对Y1110菌株及其出发菌株、突变等株16株不同来源的酵母菌株进行全基因组RAPD分析，建立并优化了酵母RAPD扩增体系和分型系统，从20条随机引物中筛选出了3条具有较好的扩增多态性，共扩增出34条RAPD谱带，多态性为85.3％；获得了稳定清晰的RAPD指纹图谱。

Each of three lactic acid bacteria from EZAL-MY96 was cultured and fermental techniques were studied by experiments with 5L fermentive vessel. Technique parameters of three lactic acid bacteria were determined.

对EZAL-MY96直投式酸奶发酵剂中分离出来的3株乳酸菌利用5L发酵罐进行发酵工艺研究，确定3株菌中每一菌株的最佳发酵工艺参数。

For different mixed ferment time, Sensory assessing was not different obviously;pH value,DM,CP,NDF,ADF content were all katabatic or decreasing with extending of mixed silage time; NH3-N/tN%and lactic acid ,acetic acid, propionc acid and butyric acid concentrations were increased gradually,butproportion of lactic acid was the most in total acids.

2不同发酵时间的感官评定结果无明显差别；pH值、DM、CP、NDF和ADF随发酵时间延长均逐渐降低或减少；NH3-N/tN%、乳酸、乙酸、丙酸和丁酸均逐渐增加，但以乳酸占总酸比例最大。

This study has discussed that Lactic acid bacteria are isolated from 752 samples of milk and other dairy products, collected from 500 household in pastoral areas in Inner mongolia, and its biological properties are analyzed and studied.765 strains of lactic acid bacteria, including 28 species of Lactobacellus,2 species strains of Bifidobacterium, 9 species strains of Enterococcus, 3 species strains of Lactococcus, 1 specie of Streptococcus, 6 species of Leuconostoc,1 specie of Pediococcus , are identified.

从代表内蒙古牧区不同地域特点和独特生态环境的9个盟市18个牧业旗500多户牧民家庭，以目的采样和层次分类随机采样相结合的方法，共采集鲜乳及乳制品样品752份，分离到947株乳酸菌，并用形态、染色、培养特性及生化反应等实验对其进行了鉴定，有765株实验菌株分别归于7个属50个种和亚种，其中归于乳杆菌属的有28个种和亚种；归于双歧杆菌属的有2个种；归于肠球菌属的有9个种；归于链球菌属的有1个种；归于乳球菌属的有3个种和亚种；归于明串珠菌属的有6个种和亚种；归于片球菌属的有1个种。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。