推荐产品
生物来源
bovine milk
质量水平
无菌性
non-sterile
表单
powder
组成
total nitrogen (N), 4.7-6.0%
存货情况
not available in USA and Canada
杂质
≤1.5% lipid
≥50.0% reducing sugars (as lactose monohydrate)
灼烧残渣
≤10%
缺失
≤5% loss on drying
应用
food and beverages
pathogen testing
microbiology
一般描述
Skim Milk powder is used for the demonstration of coagulation and proteolysis of casein. Skim Milk is sometimes used as a complete medium or as an ingredient in other media used for the propagation of organisms occurring in milk products. The addition of skim milk to any nutrient-rich medium creates favorable conditions for the growth of organisms, which are encountered in milk. The number of bacteria isolated thus is more than the number of organisms isolated on a regular medium. Proteolytic bacteria hydrolyze casein to form soluble nitrogenous compounds indicated as a clear zone surrounding the colonies on the agar medium. Skim milk serves as a good source of casein
应用
Skim Milk Powder is recommended for cultivation and enumeration of microorganisms encountered in dairy industry
重悬
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 sterilized by autoclaving for 5 minutes at 121 °C. Care should be taken not to overheat during sterilization, otherwise caramelization will occur.
其他说明
可适用销售限制条款
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
监管及禁止进口产品
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商品
Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.
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