The enumeration of coliforms (total or thermotolerant). A reading facilitated by an indicator which colours colonies red. The upper film traps the gas produced by lactose fermentation.
Additional Information
The 3M Petrifilm Coliform Count (CC) Plate is a ready-made culture medium system which contains Violet Red Bile (VRB) nutrients, a cold-water-soluble gelling agent, and a tetrazolium indicator that facilitates colony enumeration. Petrifilm CC plates are useful for the enumeration of coliform bacteria in the food and dairy industries. Petrifilm CC plates are made at a ISO 9002-certified
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