Difco™ MacConkey Agar, BD Diagnostics

Supplier: Seca Med.Waagen u.Meßsysteme
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233110 212122 275300
90002-624EA 6865.71 USD
90002-624 90000-504 90000-502 90003-958
Difco™ MacConkey Agar, BD Diagnostics
Media for Microbiology Prepared Media for Microbiology

MacConkey Agar is used for isolating and differentiating lactose-fermenting from lactose-nonfermenting gram-negative enteric bacilli.


  • Crystal violet and bile salts inhibit gram-positive organisms
  • Prepared without added carbohydrates
  • Recommended for the isolation of E. coli from nonsterile pharmaceutical products


Isolated colonies of coliform bacteria are brick red in color and may be surrounded by a zone of precipitated bile. When lactose nonfermenters grow in proximity to coliform colonies, the surrounding medium appears as cleared areas.

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