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脱脂奶粉LP0031,素尔生物

脱脂奶粉LP0031,素尔生物

型号:

更新时间:2016-04-20

简要描述:

脱脂奶粉LP0031,素尔生物专业供应脱脂奶粉LP0031,500g,质量有保证!!:/。

详细介绍

脱脂奶粉LP0031,素尔生物简介:

产品名称:脱脂奶粉LP0031

规   格:500g

保   存:RT

用   途:科研实验用培养基(非临床用品)

描  述:

脱脂奶粉LP0031,素尔生物使用普通的脱脂奶粉是不受欢迎的在细菌学上的媒体,因为有耐热有机物中产生错误的文化成果。Oxoid脱脂奶粉是一种特殊的细菌学的等级的喷雾脱脂牛奶免费从嗜热生物。
  平均分析:
  水分
  5.0%
  灰分8.0%
  8.0%
  总氮
  5.3%
  还原糖(一水乳糖)
  48.0%
  醚溶性提取物
  0.25%
  混合粉光滑涂有少量的d
 
The use of ordinary skim milk powder is undesirable in bacteriological media because of the presence of heat-resistant organisms which give rise to erroneous cultural results. Oxoid Skim Milk Powder is a special bacteriological grade of spray-dried skim milk free from thermophilic organisms.

Average analysis:

 

Moisture

5.0%

Ash 8.0%

8.0%

Total Nitrogen

5.3%

Reducing Sugars (as lactose monohydrate)

48.0%

Ether Soluble Extract

0.25%

 


Mix the powder to a smooth paste with a small quantity of distilled water, then gradually add more distilled water until a 10% w/v mixture is obtained. This is equivalent to fresh milk, and may be sterilised by autoclaving for 5 minutes at 121°C. Care should be taken not to overheat during sterilisation, otherwise caramelisation will occur. This product may be used alone or as a constituent of more complex bacteriological culture media. A 10% `solution’ of Skim Milk Powder, containing 0.001% of bromo-cresol purple forms a highly satisfactory purple milk which may be employed for the cultivation of dairy organisms or for the differentiation of Clostridium species, etc. Media containing skim milk powder are of particular value for diagnostic cultural tests involving the fermentation of lactose and digestion or coagulation of casein.
This product is not always free from antimicrobial residues. Where antibiotic-free milk powder is specified in a formulation, tests must be carried out to determine if it is satisfactory.

 

 

 


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