推薦產品
生物源
bovine milk
品質等級
無菌
non-sterile
形狀
powder
成份
total nitrogen (N), 4.7-6.0%
存貨情形
not available in USA and Canada
雜質
≤1.5% lipid
≥50.0% reducing sugars (as lactose monohydrate)
燃燒殘留物
≤10%
損耗
≤5% loss on drying
應用
food and beverages
pathogen testing
microbiology
一般說明
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
應用
Skim Milk Powder is recommended for cultivation and enumeration of microorganisms encountered in dairy industry
重構
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.
其他說明
可适用销售限制条款
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
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