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Influence of 405 nm light-emitting diode illumination on the inactivation of Listeria monocytogenes and Salmonella spp. on ready-to-eat fresh salmon surface at chilling storage for 8 h and their susceptibility to simulated gastric fluid
Food Control ( IF 6 ) Pub Date : 2018-06-01 , DOI: 10.1016/j.foodcont.2018.01.002
Xinzhi Li , Min-Jeong Kim , Hyun-Gyun Yuk

Abstract The aim of this study was to evaluate the antibacterial effect of 405 nm light-emitting diode (LED) against Listeria monocytogenes and Salmonella spp. on the surface of ready-to-eat (RTE) fresh salmon, and to determine the susceptibility of LED-illuminated bacterial cells to simulated gastric fluid (SGF). A cocktail culture of L. monocytogenes or Salmonella spp. was inoculated onto the freshly cut salmon surface and then illuminated by 405 nm LED (16 ± 2 mW/cm2) for 8 h at 4 and 12 °C. Illuminated cells were subsequently exposed to SGF at 37 °C. Results showed that the populations of LED-illuminated L. monocytogenes and Salmonella cells were significantly (P

中文翻译:

405 nm 发光二极管照明对单核细胞增生李斯特菌和沙门氏菌灭活的影响。在即食新鲜鲑鱼表面冷藏 8 小时及其对模拟胃液的敏感性

摘要 本研究的目的是评估 405 nm 发光二极管 (LED) 对单核细胞增生李斯特菌和沙门氏菌的抗菌作用。在即食 (RTE) 新鲜鲑鱼的表面,并确定 LED 照明的细菌细胞对模拟胃液 (SGF) 的敏感性。单核细胞增生李斯特氏菌或沙门氏菌的鸡尾酒培养物。接种到新鲜切开的鲑鱼表面,然后用 405 nm LED (16 ± 2 mW/cm2) 在 4°C 和 12°C 下照射 8 小时。随后将发光的细胞暴露于 37°C 的 SGF。结果表明,LED 照明下单核细胞增生李斯特菌和沙门氏菌的数量显着增加(P
更新日期:2018-06-01
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