Survey for Listeria monocytogenes in and on Ready-to-Eat Foods from Retail Establishments in the United States (2010 through 2013): Assessing Potential Changes of Pathogen Prevalence and Levels in a Decade

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dc.contributor.authorLuchansky, John B.en
dc.contributor.authorChen, Yuhuanen
dc.contributor.authorPorto-Fett, Anna C. S.en
dc.contributor.authorPouillot, Regisen
dc.contributor.authorShoyer, Bradley A.en
dc.contributor.authorJohnson-DeRycke, Rachelen
dc.contributor.authorEblen, Denise R.en
dc.contributor.authorHoelzer, Karinen
dc.contributor.authorShaw, William K. Jr.en
dc.contributor.authorVan Doren, Jane M.en
dc.contributor.authorCatlin, Michelleen
dc.contributor.authorLee, Jeehyunen
dc.contributor.authorTikekar, Rohanen
dc.contributor.authorGallagher, Daniel L.en
dc.contributor.authorLindsay, James A.en
dc.contributor.authorDennis, Sherri B.en
dc.contributor.departmentCivil and Environmental Engineeringen
dc.date.accessioned2020-03-24T13:09:45Zen
dc.date.available2020-03-24T13:09:45Zen
dc.date.issued2017-06en
dc.description.abstractA multiyear interagency Listeria monocytogenes Market Basket Survey was undertaken for selected refrigerated ready-to-eat foods purchased at retail in four FoodNet sites in the United States. Food samples from 16 food categories in six broad groups (seafood, produce, dairy, meat, eggs, and combination foods) were collected weekly at large national chain supermarkets and independent grocery stores in California, Maryland, Connecticut, and Georgia for 100 weeks between December 2010 and March 2013. Of the 27,389 total samples, 116 samples tested positive by the BAX PCR system for L. monocytogenes, and the pathogen was isolated and confirmed for 102 samples. Among the 16 food categories, the proportion of positive samples (i.e., without considering clustering effects) based on recovery of a viable isolate of L. monocytogenes ranged from 0.00% (95% confidence interval: 0.00, 0.18) for the category of soft-ripened and semisoft cheese to 1.07% (0.63, 1.68) for raw cut vegetables. Among the 571 samples that tested positive for Listeria-like organisms, the proportion of positive samples ranged from 0.79% (0.45, 1.28) for soft-ripened and semisoft cheese to 4.76% (2.80, 7.51) for fresh crab meat or sushi. Across all 16 categories, L. monocytogenes contamination was significantly associated with the four states (P < 0.05) but not with the packaging location (prepackaged by the manufacturer versus made and/or packaged in the store), the type of store (national chain versus independent), or the season. Among the 102 samples positive for L. monocytogenes, levels ranged from <0.036 most probable number per g to 6.1 log CFU/g. For delicatessen (deli) meats, smoked seafood, seafood salads, soft-ripened and semisoft cheeses, and deli-type salads without meat, the percentage of positive samples was significantly lower (P < 0.001) in this survey than that reported a decade ago based on comparable surveys in the United States. Use of mixed logistic regression models to address clustering effects with regard to the stores revealed that L. monocytogenes prevalence ranged from 0.11% (0.03, 0.34) for sprouts (prepackaged) to 1.01% (0.58, 1.74) for raw cut vegetables (prepackaged).en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.notesThis study was a multiyear collaborative project among the USDA ARS, the FDA, the USDA FSIS, and several universities, including Drexel University. The project was funded by the ARS, FDA, and FSIS through Center for Food Safety and Applied Nutrition administered by the Oak Ridge Institute for Science and Education through an interagency agreement between the U.S. Department of Energy and the FDA. Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the USDA or the FDA.en
dc.description.sponsorshipARSUnited States Department of Agriculture (USDA)USDA Agricultural Research Service; FDAUnited States Department of Health & Human Services; FSIS through Center for Food Safety and Applied Nutritionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.4315/0362-028X.JFP-16-420en
dc.identifier.eissn1944-9097en
dc.identifier.issn0362-028Xen
dc.identifier.issue6en
dc.identifier.pmid28437165en
dc.identifier.urihttp://hdl.handle.net/10919/97444en
dc.identifier.volume80en
dc.language.isoenen
dc.rightsCreative Commons CC0 1.0 Universal Public Domain Dedicationen
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/en
dc.subjectListeria monocytogenesen
dc.subjectListeria spp.en
dc.subjectMarket basket surveyen
dc.subjectPrevalenceen
dc.subjectReady-to-eat foodsen
dc.subjectRetailen
dc.titleSurvey for Listeria monocytogenes in and on Ready-to-Eat Foods from Retail Establishments in the United States (2010 through 2013): Assessing Potential Changes of Pathogen Prevalence and Levels in a Decadeen
dc.title.serialJournal of Food Protectionen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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