Difco™ McClung Toabe Agar Base, BD Diagnostics

Supplier: BD Diagnostics
294110 294110
90004-540EA 466.15 USD
CA90004-540 90004-540
Difco™ McClung Toabe Agar Base, BD Diagnostics
Media for Microbiology Prepared Media for Microbiology
McClung Toabe Agar is used for detection and isolation of Clostridium perfringens from food samples.

  • Peptone provide nitrogenous growth nutrients
  • Dextrose is a fermentable carbohydrate
  • Phosphates form a good buffering system
  • Sodium chloride provides essential ions
  • Magnesium sulphate provides divalent cations and sulphate

With the addition of 50% egg yolk emulsion, C. perfringens and a few other Clostridium species show the lecithinase reaction. Lecithinase enzyme lyses egg yolk lecithin, producing an opaque zone of precipitation surrounding the slightly raised colonies.
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