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蛋氨酸
相关语句
  “─蛋氨酸”译为未确定词的双语例句
     Antibacterial Activity of Cu (Ⅱ)、Zn (Ⅱ) Complexes with Schiff BaSe of DL-Methionine
     DL─蛋氨酸的希夫碱的铜(Ⅱ)、锌(Ⅱ)配合物的抑菌作用
短句来源
     The ST851 and SA119 strains mixed culture was studied. The product contained 2 1. 45% protein,amino acid composition was complete, ratio of methionine in the protein was 1. 8 times as compared with“FAO”standard.
     ST_(851)能与之很好的共生,两者混合培养使产品粗蛋白含量达到21.45%,氨基酸组成齐全,尤其是动物必需的第一限制性氨基酸─蛋氨酸含量在蛋白质中的比例,高出FAO标准0.8倍。
短句来源
     Zn(Ⅱ)Complexes with Schiff base derived from DL-methionine and O-Vanillin. have been synthesized. Twe complexes have been characterized by elemental analysis, electronic、infrared spectral and thermalgravimetric analysis.
     合成DL─蛋氨酸与邻香草醛缩合成铜(Ⅱ)、锌(Ⅱ)配合物,经化学分析、电子、红外光谱、热分析测定,对配合物进行了组成和结构分析。
短句来源
     With TEM observation, we study the developing process of this nanosilver halide emulsion, including the influence of the developer component, developing time and sulfur - containing aminoacid residual──Me- thionine(Met) of gelatin on the form and growth of the developed silver.
     利用透射电镜(TEM)观测,研究了该纳米粒子乳剂的显影过程; 探讨了显影剂组份、显影时间以及明胶含硫氨基酸组份──蛋氨酸(Met)等对显影银形成与生长的影响;
短句来源
  相似匹配句对
     , Met.
     、蛋氨酸(Met.)
短句来源
     Antibacterial Activity of Cu (Ⅱ)、Zn (Ⅱ) Complexes with Schiff BaSe of DL-Methionine
     DL蛋氨酸的希夫碱的铜(Ⅱ)、锌(Ⅱ)配合物的抑菌作用
短句来源
     Dl-methionine (Sigma Chemical, Co.,Ltd.)
     蛋氨酸(Sigma公司);
短句来源
     Totally L-matrix
     整体L矩阵
短句来源
     four ways to deal with environment;
     4个对待环境;
短句来源
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  - methionine
Various populations of peroxisomes in cells of Aspergillus nigerR-3 were formed under growth in media containing 0.5% glucose and various sources of nitrogen (1/4 of the optimal concentrations of (NH4)2SO4, L-alanine, and L-methionine).
      
Isolation of a Kluyveromyces lactis Mutant Enriched in S-Adenosyl-L-Methionine and Growing in Whey Medium
      
L-methionine γ-lyase from Citrobacter freundii: Cloning of the gene and kinetic parameters of the enzyme
      
It is shown for the first time for the Enterobacteriaceae family that a gene encoding L-methionine γ-lyase (MGL) is present in the genome of Citrobacter freundii.
      
It seems likely that decomposition of L-methionine under the action of MGL leads to a decrease in the intracellular content of S-adenosylmethionine.
      
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Casein was hydrolysed with sulphuric acid under pressure and the hydrolysate was oxidized and nitrated by a mixture of sulphuric acid and potassium nitrate. After decolorization and neutralization to pH 4, the residue was removed by filtration.After adjusting the filtrate to pH 6.8 and supplementing it with tryp-tophane, cystine, methionine, and tyrosine, it was used as the source of amino acids ill the preparation of the medium for the microbiological assay of phenyl-aianine with Lactobacillus ardbinosus 17-5...

Casein was hydrolysed with sulphuric acid under pressure and the hydrolysate was oxidized and nitrated by a mixture of sulphuric acid and potassium nitrate. After decolorization and neutralization to pH 4, the residue was removed by filtration.After adjusting the filtrate to pH 6.8 and supplementing it with tryp-tophane, cystine, methionine, and tyrosine, it was used as the source of amino acids ill the preparation of the medium for the microbiological assay of phenyl-aianine with Lactobacillus ardbinosus 17-5 as test microorganism.The standard curve shows that the medium is almost free from active phenyl-alanine, for blank values are of the same magnitude as those of a synthetic medium.Increasing the quantity of nitrated casein hydrolysate from 8 g. to 10 g. doesnot cause any difference in acid production. Further supplementation of themedium with fustidine, arginine, and lysine is also without effect.The results obtained by analyses of several foods with the present medium and the findings of Sauberlich and Baumann (1946), and Schweigert (1944) are in

(一)本文介绍一种微生物法测定苯丙氨酸的培养基。培养基中大部氨基酸来源是经硝酸钾处理后的酪蛋白水解液,另补充色氨酸、胱氨酸、蛋氨酸和酪氨酸。 (二)利用Lactobacillus arabinosus 17-5在混合纯氨基酸的培养基和经处理后的酪蛋白水解物培养基中分别测定食物样品中苯丙氨酸,结果彼此符合。 (三)本法曾广泛地用于谷类、豆类和甜薯等食物中苯丙氨酸含量的测定,均获得满意的结果。

The eight essential amino acid contents of nineteen legumes and cereals of different varieties have been determined with the microbiological methods The methionine and lysine contents of cereals are in general lower than that of animal products. However, the methionine in spiked millet (糜子米) and in panicled millet (小米) and lysine in buck wheat (荞麦) are high. Methionine, tryptophane and isoleucine of the legumes are in general lower than those of the animal products.Past dietary surveys have been re-examined...

The eight essential amino acid contents of nineteen legumes and cereals of different varieties have been determined with the microbiological methods The methionine and lysine contents of cereals are in general lower than that of animal products. However, the methionine in spiked millet (糜子米) and in panicled millet (小米) and lysine in buck wheat (荞麦) are high. Methionine, tryptophane and isoleucine of the legumes are in general lower than those of the animal products.Past dietary surveys have been re-examined in the light of these analytical results, and a more accurate estimate of the nutritional status of the population, with respect to protein is thereby available.

1.利用微生物法测定了19种我国主要谷类、豆类食品(包括不同品种和不同制品39个样品)的八种必需氨基酸的含量。 2.一般的谷类蛋白质蛋氨酸和赖氨酸的含量比较动物性食物者较低,但其中小米和糜子米含蛋氨酸较丰富,荞麦含赖氨酸较丰富,与动物性食品相近似。一般豆类较动物性食物有较低的蛋氨酸、色氨酸和异亮氨酸。 3.根据分析的结果,对我国人民的蛋白质营养状况进行了初步的估计。

E. coli mutant has been used as an assay organism for vitamin B12activity by many workers. The difficulty encountered in this method is theinterfering-action of metmonine. Fermented soybean products contain large.amount of this amino acid, thus the usual alkaline treatment method could not be used for the determination of vitamin B12 activity in these.products. A method for the separation of vitamin B12 from methionine has been developed by the authors. The sample extracted is prepared by the usual method and...

E. coli mutant has been used as an assay organism for vitamin B12activity by many workers. The difficulty encountered in this method is theinterfering-action of metmonine. Fermented soybean products contain large.amount of this amino acid, thus the usual alkaline treatment method could not be used for the determination of vitamin B12 activity in these.products. A method for the separation of vitamin B12 from methionine has been developed by the authors. The sample extracted is prepared by the usual method and the extract passed through an active carbon absorption column, Then washing the column with pH 4.5 sodium acetate buffer solution removes methionine and finally vitamin B12 is eluted off with hot 65% alcohol Alcohol in the eluate is removed under reduced pressure and the methionine in the residue is in trace amount which can be corrected by the alkaline treatment. The recovery of vitamin B12 from the adsorption treatment ranges,from 95% to 101.3%, with an average of 98.8%.Nine kinds of Chinese -fermented soybean products have been assayed by this method. Fermented soybean curd with strong smell is a good dietary source of vitamin B12 activity, and it contains 1.88-9.80 r per 100 grams.

用大肠桿菌测定维生素B12,培养基简单,方法易於掌握,但蛋氨酸有干摄作用。豆类发酵食品中游离的蛋氨酸含量很高,不能使用以碱破壞维生素B12来改正结果的方法。本实验利用活性炭吸附作用,以pH4.5的醋酸纳缓(?)液洗脱去蛋氨酸,最後用热的65%酒精洗脱吸附在活性炭上的维生素B_12,其回收率平均为98.8%。由於酒精洗脱液含有极微量的蛋氨酸,在测定时仍应与碱破壤法结合使用。 利用此种方法分析了9种发酵食品,其中以臭豆腐乳含量最高,每百克合有1.88—9.800微克的稚生素B_12活性。

 
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