What is it?

Petrifilm plates have become widely used in food microbiology because of their cost-effectiveness, simplicity, convenience, and ease of use.

For example, conventional plating would require preparing agar for pour plating, or using agar plates and vial inoculum loops for streak plating; but for Petrifilm plates, the agar is completely housed in a single unit so that only the sample has to be added, which saves time.

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Petrifilm

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