17186 Sigma-Aldrich

PM Indicator Agar

for microbiology

Synonym: Penicillin in Milk Indicator Agar



Related Categories All Dairy Media (alphabetical), All Solid Media/Agars, Bacillus, Detection of Inhibitory Substances in Milk, Media,
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 15 g/L
  beef extract, 3 g/L
  bromocresol purple, 0.06 g/L
  casein enzymic hydrolysate, 1.7 g/L
  dextrose, 5.25 g/L
  dipotassium phosphate, 0.25 g/L
  papaic digest of soyabean meal, 0.3 g/L
  peptic digest of animal tissue, 5 g/L
  polysorbate 80, 1 g/L
  sodium chloride, 0.5 g/L
final pH   7.8±0.2 (25 °C)
suitability   selective and differential for Bacillus



For rapid detection of trace amounts of Penicillin in milk using Bacillus stearothermophilus.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & 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

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