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75977 Sigma-Aldrich

PALCAM Listeria Selective Agar

for microbiology



Related Categories All Dairy Media (alphabetical), All Food Control Media (alphabetical), All Solid Media/Agars, Listeria, Media,
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 13.0 g/L
  ammonium ferric citrate, 0.5 g/L
  esculin, 0.8 g/L
  glucose, 0.5 g/L
  lithium chloride, 15.0 g/L
  D-mannitol, 10.0 g/L
  peptone, 23.0 g/L
  phenol red, 0.08 g/L
  sodium chloride, 5.0 g/L
  starch, 1.0 g/L
final pH   7.0±0.2 (25 °C)
suitability   selective and differential for Listeria


Other Notes

Detection of Listeria species in a range of meat products

Preparation Note

Supplement: 2 vials/l PALCAM Listeria Selective Supplement (Cat. No. 91986)


Polymyxin acriflavine lithium chloride ceftazidime aesculin mannitol (PALCAM) Listeria Selective Agar can be used as a selective agar for differential diagnosis, for the isolation and detection of Listeria monocytogenes from fecal and biological material, food and heavily contaminated environmental specimens, acc. to Van Netten.

General description

Polymyxin acriflavine lithium chloride ceftazidime aesculin mannitol (PALCAM) Listeria Selective Agar is a selective medium. Selectivity is attained mainly by the inhibitory components like lithium chloride, acriflavine, polymyxin and ceftazidime. Two indicator systems confer its diagnostic properties: aesculin and ferric iron and D-mannitol combined with phenol red. This aids in easy differentiation of Listeria spp. from enterococci and staphylococci.

Price and Availability

Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


Listeria a Survivor

Listeriosis is a serious infection caused by Listeria monocytogenes. In recent years it has been recognized that Listeria is an important public health problem. The disease affects primarily people o...
Jvo Siegrist
Microbiology Focus Edition 2.2
Keywords: AGE, Antibiotics, Diseases, Fermentation, Food Safety, Gastrointestinal, Indicators, Microbiology, Nutrition, Purification

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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