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首页> 外文期刊>Applied Microbiology >Commonly Used Disinfectants Fail To Eradicate Salmonella enterica Biofilms from Food Contact Surface Materials
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Commonly Used Disinfectants Fail To Eradicate Salmonella enterica Biofilms from Food Contact Surface Materials

机译：常用消毒剂无法从食品接触表面材料上清除肠炎沙门氏菌生物膜

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Salmonellosis is the second most common cause of food-borne illness worldwide. Contamination of surfaces in food processing environments may result in biofilm formation with a risk of food contamination. Effective decontamination of biofilm-contaminated surfaces is challenging. Using the CDC biofilm reactor, the activities of sodium hypochlorite, sodium hydroxide, and benzalkonium chloride were examined against an early (48-h) and relatively mature (168-h) Salmonella biofilm. All 3 agents result in reduction in viable counts of Salmonella ; however, only sodium hydroxide resulted in eradication of the early biofilm. None of the agents achieved eradication of mature biofilm, even at the 90-min contact time. Studies of activity of chemical disinfection against biofilm should include assessment of activity against mature biofilm. The difficulty of eradication of established Salmonella biofilm serves to emphasize the priority of preventing access of Salmonella to postcook areas of food production facilities.
机译：沙门氏菌病是全世界食源性疾病的第二大最常见原因。食品加工环境中表面的污染可能导致生物膜形成，并有食品污染的风险。对生物膜污染的表面进行有效的去污具有挑战性。使用CDC生物膜反应器，针对早期（48小时）和相对成熟（168小时）的沙门氏菌生物膜检查了次氯酸钠，氢氧化钠和苯扎氯铵的活性。所有这3种药物都会导致沙门氏菌存活数量的减少;但是，只有氢氧化钠可以消除早期的生物膜。即使在90分钟的接触时间，也没有一种药物能根除成熟的生物膜。对生物膜化学消毒活性的研究应包括对成熟生物膜活性的评估。根除已建立的沙门氏菌生物膜的困难在于强调防止沙门氏菌进入食品生产设施的后煮区域的优先性。

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