Listeria Surface Validation - Final Report

A comparative trial was performed to assess the effect of an Ultimate Small area air and surface purification unit on surfaces contiminated by two commonly isolated Listeria species.

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Sterile surfaces were inoculated with a mixture of Listeria monocytogenes and Listeria innocua, left to dry naturally and stored in a cold room at 1+1 degrees for four days with the bacteria levels measured daily. The process was performed initially without and the repeated with the Ultimate Small Area unit.

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