22091 Sigma-Aldrich

Tryptic Soy Agar

for microbiology

Synonym: CASO Agar, Soybean Casein digest Agar, TSA, Tryptone Soya Agar



Related Categories All Dairy Media (alphabetical), All Food Control Media (alphabetical), All Solid Media/Agars, Bacillus, Bacteria (General Media),
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 15 g/L
  casein peptone (pancreatic), 15 g/L
  sodium chloride, 5 g/L
  soya peptone (papainic), 5 g/L
final pH   7.3±0.2 (25 °C)
suitability   nonselective for Bacillus
  nonselective for Bacteria (General Media)
  nonselective for Bacteroides
  nonselective for Campylobacter
  nonselective for Candida
  nonselective for Cronobacter spp.
  nonselective for Escherichia coli and Coliforms
  nonselective for Neisseria
  nonselective for Staphylococcus
  nonselective for Streptococcus



Precultivation medium. Enumeration (E. coli) acc. to membrane-filter technique.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Safety & Documentation

Safety Information

WGK Germany 


Certificate of Analysis

Protocols & Articles


Chronobacter spp. Classic and New Detection Methods

Cronobacter is a rod-shaped, motile and facultatively-anaerobic bacteria of the family Enterobacteriaceae. Originally Cronobacter spp. were listed as yellow-pigmented Enterobacter cloacae (see Table ...
Jvo Siegrist
Microbiology Focus Edition 1.2
Keywords: Absorption, Anaerobic, Diagnostic, Environmental, Enzyme-linked immunosorbent assay, Food Safety, Genetic, Microbiology, Nutrition, Polymerase chain reaction, Proteomics, Vitamins

Streptococci - Overview of Detection, Identification, Differentiation and Cultivation Techniques

There are many natural sources of streptococci, including humans and diverse animals where they often colonize the mucosal surfaces of the mouth, intestinal tract, nasal passages and pharynx. The pre...
By Jvo Siegrist, Product Manager Microbiology,
AnalytiX Volume 7 Article 3
Keywords: Diagnostic, Phosphorylations

Vibrio Detection

Vibrios are motile, curved or comma-shaped bacilli and have a single polar flagella with sheet proteins. They are often found in open water, freshwater and saltwater. Vibrios are facultative aerobe a...
Jvo Siegrist
Microbiology Focus Edition 1.3
Keywords: Dehydration reaction, Diagnostic, Fermentation, Indicators, Metabolism, Microbiology

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