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61749 Sigma-Aldrich

Lauryl sulfate Broth

for microbiology

Synonym: Lauryl Casein peptone Broth

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Properties

Related Categories A - M, All Dairy Media (alphabetical), All Food Control Media (alphabetical), All Liquid Media/Broths, Control Media for Fish,
grade   for microbiology
InChI Key   MOTZDAYCYVMXPC-UHFFFAOYSA-N
shelf life   limited shelf life, expiry date on the label
composition   casein peptone, 20 g/L
  dipotassium hydrogen phosphate, 2.75 g/L
  lactose, 5 g/L
  potassium dihydrogen phosphate, 2.75 g/L
  sodium chloride, 5 g/L
  sodium lauryl sulfate, 0.1 g/L
final pH   6.8±0.2 (25 °C)
suitability   selective for Enterobacter
  selective for Escherichia coli and Coliforms
  selective for Salmonella

Description

Application

Selective medium acc. to Mallmann and Darby (1941) for the presumptive testing for coliform and their selective enrichment in the examination of water, dairy products and food.
Recommended by the "Schweizerisches Lebensmittelbuch" 5th ed., chapter 56A.
The difference to Cat. No. 17349 is that Casein Peptone is used (instead of Tryptose)

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
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 Theory: Media Preparation

Microorganisms need nutrients, a source of energy and certain environmental conditions in order to grow and reproduce. In the environment, microbes have adapted to the habitats most suitable for thei...
Keywords: Culture media, Digestions, Environmental, Filtration, Growth factors, Indicators, Microbiology, Phase transitions, Precipitation, Vitamins

Peer-Reviewed Papers
15

References

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