N-Halamines are a group of compounds containing one or more nitrogen-halogen covalent bond(s), and the high-energy halide bond provides a strong oxidative state so that it is able to inactivate microorganisms effectively. In this study, the shelf life of chicken breast and ground chicken packed with 1-chloro-2,2,5,5-tetramethyl-4-imidazolidinone (MC, a member oft the N-halamines) treated absorbent pads was investigated during refrigerated storage. Fresh, processed chicken meat in packaging trays loaded with or without MC treated absorbent pads were stored at 4 °C for 11 days. The microbial counts in chicken meat as well as in the food pads were analyzed on days 1, 4, 7, and 11. MC treated pads reduced the levels of the main spoilage-related microorganisms (aerobic plate counts, lactic acid bacteria, Enterobacteriaceae, psychrotrophs, and Pseudomonas spp.) present in the absorbent pads by an average of 3.5 log CFU/g compared to the control. Microbial loads in chicken breast packed with MC coated absorbent pads were 0.3 log CFU/g lower than those in the control, and an approximate 0.2 log CFU/g reduction was observed for ground chicken. Neither the color nor the pH of the meat was negatively impacted by the presence of MC. The populations of inoculated Salmonella and Campylobacter in meat loaded with MC treated absorbent pads were on average lower than those in the controls. Pathogens in the control pads increased to 3.7 and 4.9 log CFU/g, while the MC treated absorbent pads lowered these two bacteria to under the detection limit (l.7 log CFU/g) throughout 11 days of storage.
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