酵母粉
- 名yeast powder
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以菌体多糖为指标,最适培养基为:花生粉20g·L-1,葡萄糖20g·L-1,酵母粉15g·L-1,菌体多糖为14.28%;
The optimum media in the polysaccharide consisted of the peanut powder 20 , glucose 20 , yeast powder 15 , the polysaccharide content was 14.28 % ;
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以滤纸和酵母粉作为惟一C、N源时,最适发酵浓度分别为0.5%和0.125%,其产酶最高峰均出现在发酵第5d。
The optimum fermentation concentrations using filter paper and yeast powder as sole carbon and nitrogen source were found to be 0.5 % and 0.125 % , respectively , and the highest level of cellulase was discovered at the fifth day after inoculation .
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以黄豆、大麦、酵母粉为主成分,配以维生素C、胆固醇、氯化胆碱、琼脂、苯甲酸钠和乙酸配制成的人工饲料,可以满足甜菜夜蛾正常生长发育需要。
An artificial diet consisted of soybean flour , barley , brewers yeast , vitamin C , cholesterol , choline chloride , agar , sodium benzoate and acetic acid , can support the development of Spodoptera exigua .
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蚯蚓粉和BGB破壁酵母粉对中华绒螯蟹的诱食效果
The Attractive Effects of Earthworm Powder and BGB Wall-broken Yeast Extract for Eriocheir Sinensis
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在27±1℃,自然明暗比条件下,用大豆、小麦、酵母粉为主要原料配成的人工饲料饲养甜菜夜蛾,幼虫发育历期为10~14d;
At 27 ± 1 ℃ and under natural light , the beet armyworm was fed on the artificial diet composed mainly of bean , wheat and yeast .
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本研究以ECB发酵废渣作为培养基中氮源的替代品生产不同品种抗生素,试验结果表明,废渣替代黄豆粉或酵母粉生产ECB时,发酵单位均明显下降。
In this study , the echinocandin B residue is used as alternative medium of nitrogen in the production of different kinds of antibiotics . The results showed that the fermentation unit of echinocandin B has declined remarkably with the alternative nitrogen .
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NH4Cl、(NH4)2SO4等无机氮源用作2.5%酵母粉的补充氮源,都能够促进发酵液中葡萄糖浓度增高,引起碳分解代谢阻遏效应,不利于核黄素合成。
Adding inorganic nitrogen source such as NH4Cl 、( NH4 ) 2SO4 to culture medium , increase glucose concentration and Carbon Catabolite Repression and have no benefit to riboflavin production .
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结果表明,80m~3该酒精废液可产1t饲料酵母粉和20t液体减水剂,并彻底解决了它的污染。
Results showed that a ton of fodder yeast powder and 20 tons of water-reducing agent were produced from 80 m ~ 3 of the alcohol stillage and at the same time , its pollution problem was thoroughly solved .
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对NU-1、NU-2-16混合发酵的混合氮源和C/N的研究得出:豆饼粉和酵母粉作为混合氮源时,发酵周期提前到38h;C/N为1:2.5时,发酵液中的菌数和晶体蛋白含量较高。
Studies on blend nitrogen and C / N of the mixed fermentation about NU-1 and NU-2-16 , conclusion as follow : fermentation period ahead to 38 hours when soy flour and yeast extract were the blend nitrogen sources ;
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结果:在培养温度为32±2℃,50ml/500ml三角瓶,pH7.8,醋酸钠浓度为0.02%,摇床转速120r/min条件下,透明颤菌生长最佳培养基是:酵母粉0.7%,蛋白胨0.3%。
Results : The optimum growth conditions for Vitreoscilla was in medium of yeast 0.7 % , tryptone 0.3 % , NaAc 0.02 % , pH7.8 and 32 ± 2 ℃, 50ml / 500ml culture flask , in a shaker incubator set at 120 r / min.
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通过对黑曲霉60B-3D碳、氮源的初步优化,结果表明最佳碳源为玉米芯,最佳氮源为硫酸铵和酵母粉,β-葡萄糖苷酶活力最高可达到63.86IU/mL。
The maximum β - glucosidase acitivity of 60B-3D reached 63.86 IU / mL after carbon and nitrogen optimization . Corncob was found to be the most efficient carbon source , and the proper nitrogen source were the combination of yeast extract and ammonium sulfate . 5 .
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铜&酵母粉猪饲料添加剂的研制
Development and demonstration of copper & yeast powder feed additive for pig
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酵母粉浓度对酸奶菌株发酵动力学参数的影响
Effect of yeast extract concentration on the fermentation kinetic parameters of yoghurt strains
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目的评价即食酵母粉对小鼠的免疫增强作用。
Objective To evaluate the efficiency of instant yeast to improve mice immunity .
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结论即食酵母粉对小鼠的免疫活性有显著的增强作用。
Conclusion Instant yeast show the effect to enhance the immunity of mice .
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酵母粉为菌株C125的最佳氮源,适宜的添加量为8.5g。
Yeast extract was the optimal nitrogen source and its fitting concentration was 8.5g .
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将1茶匙啤酒酵母粉和原味酸奶调和成稀薄的糊状。
Mix1 teaspoon brewer 's yeast with plain yogurt to make a thin mixture .
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酵母粉中含有17种氨基酸,其中谷氨酸的含量占氨基酸总含量的57.87%。
Glu is57.87 % in proportion to all17 kinds of amino acid in yeast powder .
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培养基组成为:8.0%葡萄糖、8.0%菜子油、0.3%酵母粉;
Medium : 8.0 % glucose , 8.0 % rapeseed oil and 0.3 % yeast extract ;
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不同葡萄糖、酵母粉浓度对大杯伞深层培养的影响
Effect of different concentrations of glucose , yeast-extract paste on the submerged culture of Clitocybe maxima
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2在断奶仔猪日粮中添加活性饲料酵母粉能增强断奶仔猪免疫功能。
The immunization of weaned pigs will increase by adding active dry yeast for feed . 3 .
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实验表明,氮源中蛋白胨、玉米浆、酵母粉比较好;
The results showed that the optimal N sources were peptone , corn steep liquor and yeast extract ;
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对发酵培养基进行了研究,淀粉、酵母粉是阿维菌素发酵的最合适碳源物质和氮源物质;
Starch and yeast powder are the best carbon source and nitrogen source through studies on fermentation culture medium .
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在酵母粉基础发酵培养基中,添加各种无机离子和游离氨基酸,使其含量与酵母抽提物相同。
The inorganic ions and the amino acids were respectively added to the medium while yeast powder was used as base nitrogen source .
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酵母粉中某些可溶性组分的过量存在,引起碳分解代谢阻遏作用和溢流代谢,降低核黄素合成速率和产量。
Something of dissolvable substance has no advantage for riboflavin production in yeast powder because it can induce Carbon Catabolite Repression and overflow metabolic .
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酵母粉、蛋白胨、牛肉膏等氮源有较强的促进作用,以酵母粉最为显著,而尿素的作用较低。
For nitrogen source , yeast extract , peptone , beef ointment all had a strong role in promoting the xylanase , but urea .
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一踏进农舍,我就闻到了奶奶专门为我做的小面包散发出来的酵母粉味道。
Stepping into the farmhouse , I can smell the yeast rising on a miniature loaf of bread Grannie has made just for me .
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最佳碳、氮源分别为玉米淀粉、蛋白胨+酵母粉,其含量分别为4.5%、0.5%。
The suitable element of C 、 N are corn amylum and peptone + yeast extract , which content are 4.5 % and 0.5 % .
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在重组枯草芽孢杆菌24/pMX45核黄素发酵中,酵母粉促进核黄素合成,酵母抽提物抑制核黄素合成。
In the riboflavin fermentation by recombinant Bacillus subtilis 24 / pMX45 , The yeast powder facilitate riboflavin biosynthesis and the yeast extract have negative effect .
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代乳品的研究Ⅳ.用大白鼠试验补充鱼肝油、硫胺素或酵母粉对於代乳糕5410营养效用的影响
STUDIES ON MILK SUBSTITUTE S ⅳ . The effect of supplementing Milk Substitute 5410 with cod liver oil , thiamin or yeast on the growth of rats