Abstract
The two systems using ATP-bioluminescence were applied to evaluate the microbiological contamination level of surfaces and food in dairy plant, poultry slaughterhouse and retail unit, compared with standardized determination. The two systems utilized for ATP measurement were HyLyte and Lumitester PD 10 N. The low correlation with general contamination level of the samples from the milk plant surfaces and the absence of correlation for the others sampling objectives, let us to entitle to consider (though those studies are preliminary), that ATP bioluminescence should not be used as a substitute for quantitative methods establishing of microbial load. Still, the ATP monitoring system can be used as screening methods for general levels of cleanliness surface appreciation.
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