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17349 Millipore

Lauryl sulfate Broth

for microbiology

Synonym: Lauryl Tryptose Broth

  •  NACRES NA.74

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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,
Quality Level   100
grade   for microbiology
form   powder
shelf life   limited shelf life, expiry date on the label
composition   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
  tryptose, 20 g/L
application(s)   bioburden testing: suitable
  microbiological culture: suitable
  water monitoring: suitable
final pH   6.8±0.2 (25 °C)
Featured Industry   Agriculture
Environmental
Food and Beverages
suitability   selective for Enterobacter spp.
  selective for Escherichia coli
  selective for Salmonella spp.
  selective for coliforms

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.
The difference to Cat. No. 61749 is that Tryptose is used instead of Casein peptone.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Differentiation of Escherichia coli from coliforms

In August 2008, the discovery of E. coli-contaminated beef in the United States prompted a nationwide recall of beef. The source turned out to be one supplier that had a history of contamination of i...
Jvo Siegrist
AnalytiX Volume 8 Article 5
Keywords: Decarboxylations, Fermentation, Genetic, Indicators, Microbiology, Reductions

Microbiological Control of Spices and Herbs

Cultures around the world rely on herbs and spices to add flavour and zest to food. Many spices, however, contain very high numbers of bacteria, making them a potent source for food spoilage and path...
Jvo Siegrist
AnalytiX Volume 10 Article 1
Keywords: Growth factors, Microbiology

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 natural environment, microbes have adapted to the habitats most suitable ...
Keywords: Culture media, Digestions, Environmental, Filtration, Growth factors, Indicators, Microbiology, Phase transitions, Precipitation, Vitamins

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