Difco™ Tetrathionate Broth Base, BD Biosciences

Supplier: BD CANADA MICROBIOLOGY CA

210420 210430
CA90000-006EA 533.5 CAD
CA90000-006 CA90000-008
Difco™ Tetrathionate Broth Base, BD Biosciences
Media for Microbiology Additives and Supplements for Microbiology

Tetrathionate Broth Base is used as a selective enrichment medium for the isolation of Salmonella from feces, urine, foods, and other materials of sanitary importance.


  • Peptones provide nitrogen, vitamins, amino acids, and carbon
  • Oxgall inhibits Gram-positive microorganisms
  • Calcium carbonate neutralizes and absorbs toxic metabolites


Tetrathionate, which is formed in the medium by the addition of the iodine-iodide solution, inhibits the normal intestinal flora of fecal specimens.

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