Inactivation of Salmonella spp., pathogenic Escherichia coli, Staphylococcus spp., or Listeria monocytogenes in chicken purge or skin using a 405-nm LED array.

摘要: Raw poultry are sometimes contaminated with foodborne pathogens, which can lead to illness in humans. In recent years research has focused on a variety of light technologies decontaminate food and contact surfaces during meat processing. this study we evaluated the ability 405-nm generated from an LED array inactivate multi-isolate cocktails either Salmonella spp., pathogenic Escherichia coli, Staphylococcus or Listeria monocytogenes suspended chicken purge skin. When exposed 180 J/cm2 at two separate intensities (300 mW/cm2/s 150 mW/cm2/s) maximum pathogen reduction skin was ca. 0.4 log. pathogens were log reductions ranged 0.23 0.68 (180 J/cm2; versus 0.69 1.01 300 mW/cm2/s). Log each pathogen, when they subjected heat shock prior treatment, reduced, indicating that thermal effects accounted for much bacterial inactivation.