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A nutrient agar corresponding to the standard formulation described in ISO 6222:1999. -
This is a selective medium for the isolation and enumeration of yeasts and moulds in dairy products. The medium has a low pH to inhibit bacterial growth and is made more selective by the inclusion of chloramphenicol. It complies with the requirements of ISO 6611 for the enumeration of yeasts and moulds . -
This is a selective medium for the isolation and enumeration of Yersinia spp. in clinical and food samples. It is made selective by the inclusion of Sodium desoxycholate, Crystal violet and the antimicrobials Cefsulodin, Novobiocin and Irgasan. Mannitol is also included which Yersinia ferments giving a colony that produces a ‘Bull’s Eye’ appearance. The majority of other enteric organisms are inhibited but if they do grow they produce a large pinkish colony with an opaque halo.
