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The decontamination effect of UV-C light at increasing fluence up to 1.2 kJ/m 2 was studied with reference to natural microflora and inoculated pathogens in lamb's lettuce wash water. UV-C light dose of 0.4 kJ/m 2 allowed to inactivate most of the native microflora and to achieve more than 5- Log-reductions in inoculated microorganisms (Salmonella enterica, Listeria monocytogenes and...
In this study, possible sources of bacterial contamination on surfaces were identified in an Italian microbrewery. A high degree of microbial diversity was detected, which suggests very little selective pressure on these environments from cleaning agents and disinfectants, or from the presence of beer. Lactobacillus brevis, Lactobacillus lindneri, and Pediococcus pentosaceus isolates that were able...
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