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69964 Sigma-Aldrich

MRS Agar

for microbiology

Synonym: Lactobacillus Agar according to DeMan, Rogosa and Sharpe

Purchase

Properties

Related Categories A - M, All Dairy Media (alphabetical), All Food Control Media (alphabetical), All Solid Media/Agars, Bifidobacteria,
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 12 g/L
  diammonium hydrogen citrate, 2 g/L
  dipotassium hydrogen phosphate, 2 g/L
  D(+)-glucose, 20 g/L
  magnesium sulfate, 0.1 g/L
  manganous sulfate, 0.05 g/L
  meat extract, 5 g/L
  sodium acetate, 5 g/L
  universal peptone, 10 g/L
  yeast extract, 5 g/L
final pH   6.5±0.2 (25 °C)
suitability   nonselective for Lactobacillus
  selective by low pH for Bifidobacteria

Description

Application

For the enrichment, cultivation and isolation of all species of Lactobacillus from all types of material according to DeMan, Rogosa and Sharpe.

Preparation Note

Supplement: 1 ml/l Tween 80 (Cat. No.. 93780)

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

Articles

Culture Method for Quality Control of Beer

Traditional methods are based morphology, staining methods, enzyme reactions (metabolism) and diverse media. One of the first steps is the filtration of the beer followed by an incubation of the filt...
Jvo Siegrist
Microbiology Focus Edition 1.4
Keywords: Fermentation, Filtration, Magnetic resonance spectroscopy, Metabolism, Microbiology

Microbiological Media and Detection

Molecular biology-based methods, like PCR, can be used for lactobacilli detection. However, they are often quite expensive. Sigma-Aldrich provides a revolutionary molecular biology method that is rap...
Chloe McClanahan
BioFiles Edition 6.2
Keywords: Amplification, Anaerobic, Antimicrobials, Magnetic resonance spectroscopy, Molecular biology, Nucleic acid hybridization, Polymerase chain reaction, Reductions

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

Probiotics and Human Health

At the beginning of the 20th century, probiotics were thought to have a beneficial effect to the host by improving the intestinal microbial balance. Through his studies and observations, the Russian ...
Chloe McClanahan
BioFiles Edition 6.2
Keywords: AGE, Absorption, Adhesion, Amplification, Anaerobic, Antimicrobials, Apoptosis, Cancer, Capillary electrophoresis, Carcinogens, Cell culture, Cell proliferation, Chromatography, Coagulation, Detoxification, Diagnostic, Diseases, Enzyme activity, Fermentation, Gas chromatography, Gastrointestinal, Genomics, High performance liquid chromatography, Immunology, Inflammation, Magnetic resonance spectroscopy, Metabolism, Metabolites, Microbiology, Molecular biology, Nucleic acid hybridization, Pharmaceutical, Phosphorylations, Polymerase chain reaction, Polymerase chain reaction - quantitative, Prebiotics, Probiotics, Reductions, Respiratory, Sequencing, Thin layer chromatography, Titrations

Peer-Reviewed Papers
15

References

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