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Merck
모든 사진(1)

주요 문서

70166

Millipore

Skim Milk Powder

suitable for microbiology

동의어(들):

Milk powder fat-free

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About This Item

UNSPSC 코드:
41106212
NACRES:
NA.74

생물학적 소스

bovine milk

Quality Level

무균

non-sterile

양식

powder

구성

total nitrogen (N), 4.7-6.0%

재고 정보

not available in USA and Canada

불순물

≤1.5% lipid
≥50.0% reducing sugars (as lactose monohydrate)

무기 잔류물

≤10%

손실

≤5% loss on drying

응용 분야

food and beverages
pathogen testing

microbiology

일반 설명

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

애플리케이션

Skim Milk Powder is recommended for cultivation and enumeration of microorganisms encountered in dairy industry

재구성

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.

기타 정보

Sales restrictions may apply

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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