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dc.contributor.authorCorcoran, M.
dc.contributor.authorMorris, D.
dc.contributor.authorDe Lappe, N.
dc.contributor.authorO'Connor, J.
dc.contributor.authorLalor, P.
dc.contributor.authorDockery, P.
dc.contributor.authorCormican, M.
dc.identifier.citationCorcoran, M. Morris, D.; De Lappe, N.; O'Connor, J.; Lalor, P.; Dockery, P.; Cormican, M. (2013). Commonly used disinfectants fail to eradicate salmonella enterica biofilms from food contact surface materials. Applied and Environmental Microbiology 80 (4), 1507-1514
dc.description.abstractSalmonellosis 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.
dc.publisherAmerican Society for Microbiology
dc.relation.ispartofApplied and Environmental Microbiology
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Ireland
dc.subjectserovar enteritidis biofilms
dc.subjectserotype agona infections
dc.subjectfish feed factories
dc.subjecteat savoury snack
dc.subjectprotein expression
dc.titleCommonly used disinfectants fail to eradicate salmonella enterica biofilms from food contact surface materials

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