https://doi.org/10.4081/ijfs.2015.5383
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Evaluation of two loop-mediated isothermal amplification methods for the detection of Salmonella Enteritidis and Listeria monocytogenes in artificially contaminated ready-to-eat fresh products

Vol 4, No 3 (2015)
Submitted: 19 June 2015
Accepted: 16 July 2015
Published: 28 August 2015
Loop-mediated isothermal amplification (LAMP), Ready-to-eat fresh produce, Salmonella, Listeria
Abstract Views: 2261
PDF: 1131
HTML: 1173
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Authors

Angeliki Birmpa
Environmental Microbiology Unit, Department of Public Health, University of Patras, Greece.
Konstantinos Kalogeropoulos
Environmental Microbiology Unit, Department of Public Health, University of Patras, Greece.
Petros Kokkinos
Environmental Microbiology Unit, Department of Public Health, University of Patras, Greece.
Apostolos Vantarakis
avanta@upatras.gr
Environmental Microbiology Unit, Department of Public Health, University of Patras, Greece.
In the present study, the effectiveness of two loop-mediated isothermal amplification (LAMP) assays was evaluated. Samples of romaine lettuce, strawberries, cherry tomatoes, green onions and sour berries were inoculated with known dilutions (100-108 CFU/g of produce) of S. Enteritidis and L. monocytogenes. With LAMP assay, pathogens can be detected in less than 60 min. The limits of detection of S. Enteritidis and L. monocytogenes depended on the food sample tested and on the presence of enrichment step. After enrichment steps, all food samples were found positive even at low initial pathogen levels. The developed LAMP, assays, are expected to become a valuable, robust, innovative, powerful, cheap and fast monitoring tool, which can be extensively used for routine analysis, and screening of contaminated foods by the food industry and the Public Food Health Authorities.

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IKY FELLOWSHIPS OF EXCELLENCE FOR POSTGRADUATE STUDIES IN GREECE- SIEMENS PROGRAM

How to Cite

1.
Birmpa A, Kalogeropoulos K, Kokkinos P, Vantarakis A. Evaluation of two loop-mediated isothermal amplification methods for the detection of Salmonella Enteritidis and Listeria monocytogenes in artificially contaminated ready-to-eat fresh products. Ital J Food Safety [Internet]. 2015 Aug. 28 [cited 2025 Apr. 3];4(3). Available from: https://www.pagepressjournals.org/ijfs/article/view/ijfs.2015.5383

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