Home > Catalogo generale > Culture media and ISO confirmation tests > Pseudomonas Agar – base per CN agar per il conteggio di Pseudomonas aeruginosa in acque a norma ISO16266

Pseudomonas Agar – base per CN agar per il conteggio di Pseudomonas aeruginosa in acque a norma ISO16266

  • Brand: Sifin
  • Format: 500 g
  • Code: TN1286
  • Technology: Culture media and ISO confirmation tests
  • Application: Food/Water microbiology
  • Tag/Filter: Pseudomonas

Pseudomonas aeruginosa is a Gram-negative micro-organism which grows on selective media containing cetrimide and produces pyocyanin, a blue-green pigment. Due to the presence of cetrimide and nalidixic acid, the medium inhibits interfering Gram-positive flora and for some Gram-negative micro-organisms. The presence of magnesium chloride and potassium sulfate favors the production of pyocianin pigment by Pseudomonas aeruginosa. The interpretation of results according to ISO16266 is pretty complex: all colonies that produce blue/green pigment shall be confirmed as Pseudomonas aeruginosa – examining membranes under UV all non-pyocyanin producing colonies that fluoresce shall be evaluated as presumptive Pseudomonas aeruginosa and their identity confirmed using Acetamide Broth – all other reddish-brown colonies that do not fluoresce shall be evaluated as presumptive Pseudomonas aeruginosa and their identity confirmed using the Oxidase test, Acetamide Broth and King B agar. Medium shall be supplemented.


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Pseudomonas Agar – base per CN agar per il conteggio di Pseudomonas aeruginosa in acque a norma ISO16266
  • Brand: Sifin
  • Format: 500 g
  • Code: TN1286
  • Technology: Culture media and ISO confirmation tests
  • Application: Food/Water microbiology
  • Tag/Filter: Pseudomonas


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