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70166 Sigma-Aldrich

Skim Milk Powder

for microbiology

Synonym: Milk powder fat-free

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Properties

Related Categories Base Ingredients for Media, Microbiology, Other Additives, Protein Sources (Peptones & Extracts), Protein Sources (milk derived),
grade   for microbiology
availability   not available in USA and Canada
impurities   ≤1.5% lipid
  ≥50.0% reducing sugars (as lactose monohydrate)
  4.7-6.0% total nitrogen (N)
ign. residue   ≤10%
loss   ≤5% loss on drying

Description

Other Notes

Sales restrictions may apply

Reconstitution

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.

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

Protocols & Articles

Articles

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Microbiology's Basic Ingredient: Protein Sources (Peptones)

Peptones and extracts are excellent natural sources of amino acids, peptides and proteins in growth media. They are most often obtained by enzymatic digestion or acid hydrolysis of natural products, ...

Peer-Reviewed Papers
15

References

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