83920 Sigma-Aldrich

Rogosa Agar

for microbiology



Related Categories All Dairy Media (alphabetical), All Food Control Media (alphabetical), All Solid Media/Agars, Bifidobacteria, Clinical Media,
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 15 g/L
  ammonium citrate, 2 g/L
  casein peptone, 10 g/L
  ferrous sulfate, 0.034 g/L
  D(+)-glucose, 20 g/L
  magnesium sulfate, 0.575 g/L
  manganous sulfate, 0.12 g/L
  potassium dihydrogen phosphate, 6 g/L
  sodium acetate, 15 g/L
  yeast extract, 5 g/L
suitability   selective for Bifidobacteria
  selective for Lactobacillus



Selective agar for the isolation and enumeration of lactobacilli belonging to the buccal and intestinal flora, as well as from food such as milk and meat.

Other Notes

Selective media for the isolation and enumeration of lactobacilli

Preparation Note

1 ml/l Tween® 80 solution (10%)

Legal Information

TWEEN is a registered trademark of Croda International PLC

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


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 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


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