Is your lunch salad safe to eat? Occurrence of bacterial pathogens and potential for pathogen growth in pre-packed ready-to-eat mixed-ingredient salads

References

• Little CL , Gillespie IA. Prepared salads and public health. J Appl Microbiol.. 2008;105(6):1–7.
   Web of Science ®Google Scholar
• Little CL , Taylor FC , Sagoo SK , et al. Prevalence and level of Listeria monocytogenes and other Listeria species in retail pre-packaged mixed vegetable salads in the UK. Food Microbiol.. 2007;24(7–8):711–717.
   Web of Science ®Google Scholar
• Anonymous . 3rd Trimester National Microbiological Survey 2005 (05NS3): EU Coordinated programme 2005. Bacteriological Safety of Pre-packaged Mixed Salads. 2005:1–23. Available at: https://www.fsai.ie/uploadedFiles/Monitoring_and_Enforcement/Monitoring/Surveillance/mixed_salads.pdf. Accessed 2017 May 15 .
   Google Scholar
• Bovo F , De Cesare A , Manfreda G , et al. Fate of Salmonella enterica in a Mixed Ingredient Salad Containing Lettuce, Cheddar Cheese, and Cooked Chicken Meat. J Food Prot.. 2015;78(3):491–497.
   Web of Science ®Google Scholar
• Soderqvist K , Thisted Lambertz S , Vagsholm I , et al. Foodborne Bacterial Pathogens in Retail Prepacked Ready-to-Eat Mixed Ingredient Salads. J Food Prot.. 2016;79(6):978–985.
   Web of Science ®Google Scholar
• Gombas DE , Chen YH , Clavero RS , et al. Survey of Listeria monocytogenes in ready-to-eat foods. J Food Prot.. 2003;66(4):559–569.
   Web of Science ®Google Scholar
• Uyttendaele M , De Troy P , Debevere J . Incidence of Listeria monocytogenes in different types of meat products on the Belgian retail market. Int J Food Microbiol.. 1999;53(1):75–80.
   Web of Science ®Google Scholar
• Nguyen-The C , HalnaDuFretay B , daSilva AA . The microbiology of mixed salad containing raw and cooked ingredients without dressing. Int J Food Sci Tech. 1996;31(6):481–487.
   Web of Science ®Google Scholar
• European Food Safety Authority Panel on Biological Hazards . Scientific Opinion on the risk posed by pathogens in food of non-animal origin. Part 1. Efsa J. 2013;11(1):138.
   Google Scholar
• WHO & FAO . Microbiological risk assessment series; no. 14. Microbiological hazards in fresh leafy vegetables and herbs: meeting report. Rome. 2008:151 pp. Available from: http://www.who.int/foodsafety/publications/micro/mra_fruitveges/en/ Accessed 2017 May 15
   Google Scholar
• Gorni C , Allemand D , Rossi D , et al. Microbiome profiling in fresh-cut products. Trends Food Sci Tech.. 2015;46(2):295–301.
   Web of Science ®Google Scholar
• Haase JK , Didelot X , Lecuit M , et al. The ubiquitous nature of Listeria monocytogenes clones: a large-scale Multilocus Sequence Typing study. Environ Microbiol.. 2014;16(2):405–416.
   Web of Science ®Google Scholar
• Food Poisoning Bulletin . Costco Chicken Salad E. coli O157:H7 Outbreak Over. 2015. Available from: https://foodpoisoningbulletin.com/2015/costco-chicken-salad-e-coli-o157h7-outbreak-over/ Accessed 2016 Nov 15
   Google Scholar
• LIDL . Lidl Sverige återkallar Chef’s select pastasallad med kyckling. 2015. Available from: http://www.lidl.se/sv/6867.htm Accessed 2016 Dec 15
   Google Scholar
• Dagbladet S . Ica återkallar sallader med listeria. 2012. Available from: http://www.svd.se/ica-aterkallar-sallader-med-listeria Accessed 2017 Feb 20
   Google Scholar
• Sanno A , Aspan A , Hestvik G , et al. Presence of Salmonella spp., Yersinia enterocolitica, Yersinia pseudotuberculosis and Escherichia coli O157:H7 in wild boars. Epidemiol Infect. 2014;142(12):2542–2547.
   Web of Science ®Google Scholar
• Wahlstrom H , Tysen E , Engvall EO , et al. Survey of Campylobacter species, VTEC O157 and Salmonella species in Swedish wildlife. Vet Rec.. 2003;153(3):74–80.
   Web of Science ®Google Scholar
• Laidler MR , Tourdjman M , Buser GL , et al. Escherichia coli O157:H7 Infections Associated With Consumption of Locally Grown Strawberries Contaminated by Deer. Clin Infect Dis.. 2013;57(8):1129–1134.
   Web of Science ®Google Scholar
• Jay MT , Cooley M , Carychao D , et al. Escherichia coli O157: H7 in feral swine near spinach fields and cattle, central California coast. Emerg Infect Dis.. 2007;13(12):1908–1911.
   Web of Science ®Google Scholar
• Hancock D , Besser T , Lejeune J , et al. The control of VTEC in the animal reservoir. Int J Food Microbiol.. 2001;66(1–2):71–78.
   Web of Science ®Google Scholar
• Soderlund R , Hedenstrom I , Nilsson A , et al. Genetically similar strains of Escherichia coli O157:H7 isolated from sheep, cattle and human patients. Bmc Vet Res.. 2012;8: DOI: 10.1186/1746-6148-8-200.
   Web of Science ®Google Scholar
• Pachepsky Y , Shelton DR , Jet M , et al. Irrigation Waters as a Source of Pathogenic Microorganisms in Produce: A Review. Adv Agron.. 2011;113:73–138.
   Web of Science ®Google Scholar
• Alam M , Ahlström C , Burleigh S , et al. Prevalence of Escherichia coli O157:H7 on spinach and rocket as affected by inoculum and time to harvest. Sci Hortic-Amsterdam.. 2014;165:235–241.
   Web of Science ®Google Scholar
• Beuchat LR , Ryu JH . Produce handling and processing practices. Emerg Infect Dis.. 1997;3(4):459–465.
   Web of Science ®Google Scholar
• WHO & FAO . Surface decontamination of fruits and vegetables eaten raw: a review. 1998; WHO/FSF/FOS/98.2:42. Available from: http://www.who.int/foodsafety/publications/food-decontamination/en/ Accessed 2016 Oct 15
   Google Scholar
• Seo KH , Frank JF . Attachment of Escherichia coli O157: H7 to lettuce leaf surface and bacterial viability in response to chlorine treatment as demonstrated by using confocal scanning laser microscopy. J Food Prot.. 1999;62(1):3–9.
   Web of Science ®Google Scholar
• Nousiainen -L-L , Joutsen S , Lunden J , et al. Bacterial quality and safety of packaged fresh leafy vegetables at the retail level in Finland. Int J Food Microbiol.. 2016;232:73–79.
   Web of Science ®Google Scholar
• Hewitt J , Rivas L Microbiological Survey of Pre-Packaged Leafy Salads Available at Retail in New Zealand. Ministry for Primary Industries Technical Paper No: 2015/18. 2015. Available from: https://www.mpi.govt.nz/document-vault/8365. Accessed 2016 Dec 15 .
   Google Scholar
• Althaus D , Hofer E , Corti S , et al. Bacteriological Survey of Ready-to-Eat Lettuce, Fresh-Cut Fruit, and Sprouts Collected from the Swiss Market. J Food Prot.. 2012;75(7):1338–1341.
   Web of Science ®Google Scholar
• De Giusti M , Aurigemma C , Marinelli L , et al. The evaluation of the microbial safety of fresh ready-to-eat vegetables produced by different technologies in Italy. J Appl Microbiol.. 2010;109(3):996–1006.
   Web of Science ®Google Scholar
• Herman KM , Hall AJ , Gould LH . Outbreaks attributed to fresh leafy vegetables, USA, 1973-2012. Epidemiol Infect.. 2015;143(14):3011–3021.
   Web of Science ®Google Scholar
• Widdowson M-A , Sulka A , Bulens SN , et al. Norovirus and foodborne disease, USA, 1991-2000. Emerg Infect Dis.. 2005;11(1):95–102.
   Web of Science ®Google Scholar
• Centers for Disease Control and Prevention (CDC) . Timeline for Reporting Cases of Salmonella Infection Available from: https://www.cdc.gov/salmonella/reporting-timeline.html Accessed 2017 Jun 15 .
   Google Scholar
• MacDonald E , Heier BT , Stalheim T , et al. Yersinia enterocolitica O:9 infections associated with bagged salad mix in Norway, February to April 2011. Euro Surveill.. 2011;16(19):10–12.
   Google Scholar
• Jay JM , Loessner MJ , Golden DA . Modern food microbiology. Seventh ed. New York, USA: Springer Science+Business Media. Inc; 2005.
   Google Scholar
• European Commission . Commission recommendation of 1 March 2005 concerning a coordinated programme for the official control of foodstuffs for 2005 (2005/175/EC). Ojeu. 2005;L59:27–39.
   Google Scholar
• Gurler Z , Pamuk S , Yildirim Y , et al. The microbiological quality of ready-to-eat salads in Turkey: A focus on Salmonella spp. and Listeria monocytogenes. Int J Food Microbiol. 2015;196:79–83.
   Web of Science ®Google Scholar
• European Food Safety Authority and European Centre for Disease Prevention and Control . The European Union Summary Report on Trends and Sources of Zoonoses, Zoonotic Agents and Food-borne Outbreaks in 2013. Efsa J. 2015;13(1):3991, 165.
   Web of Science ®Google Scholar
• Lambertz ST , Nilsson C , Brådenmark A , et al. Prevalence and level of Listeria monocytogenes in ready-to-eat foods in Sweden 2010. Int J Food Microbiol.. 2012;160(1):24–31.
   Web of Science ®Google Scholar
• Møretrø T , Langsrud S . Listeria monocytogenes: biofilm formation and persistence in food-processing environments. Biofilms.. 2004;1(2):107–121.
   Google Scholar
• Sagoo SK , Little CL , Mitchell RT . Microbiological quality of open ready-to-eat salad vegetables: effectiveness of food hygiene training of management. J Food Prot.. 2003;66(9):1581–1586.
   Web of Science ®Google Scholar
• Wong TL , Carey-Smith GV , Hollis L , et al. Microbiological survey of prepackaged pate and ham in New Zealand. Lett Appl Microbiol.. 2005;41(2):106–111.
   PubMed Web of Science ®Google Scholar
• Commission regulation (EC) . No 2073/2005 of 15 November 2005 on microbiological criteria for foodstuffs. Off J Eur Union L. 2005;338:1–26.
   Google Scholar
• European Union Reference Laboratory for Listeria monocytogenes . EURL Lm technical guidance document for conducting shelf life studies on Listeria monocytogenes in ready-to-eat foods. Maisons-Alfort, France: French Agency for Food, Environmental and Occupational Health Safety. Food Safety Laboratory; 2014.
   Google Scholar
• TemaNord . Food waste and date labelling issues affecting the durability. 2016;523;1–98. Accessed 2016 Oct 20 . Available from: https://norden.diva-portal.org/smash/get/diva2:950731/FULLTEXT04.pdf.
   Google Scholar
• Koutsoumanis K , Pavlis A , Nychas G-JE , et al. Probabilistic Model for Listeria monocytogenes Growth during Distribution, Retail Storage, and Domestic Storage of Pasteurized Milk. Appl Environ Microb. 2010;76(7):2181–2191.
   Web of Science ®Google Scholar
• European Food Safety Authority . Scientific opinion on public health risks represented by certain composite products containing food of animal origin. Efsa J. 2012;10((5)2662):132.
   Google Scholar
• James C , Onarinde BA , James SJ . The Use and Performance of Household Refrigerators: A Review. Compr Rev Food Sci Food Saf. 2017;16(1):160–179.
   PubMed Web of Science ®Google Scholar
• Söderqvist K , Thisted Lambertz S , Vågsholm I , et al. Fate of Listeria monocytogenes, Pathogenic Yersinia enterocolitica, and Escherichia coli O157: h7gfp+ in Ready-to-Eat Salad during Cold Storage: what is the Risk to Consumers?. J Food Protect. 2017;80(2):204–212.
   Web of Science ®Google Scholar