Application of the SureTect Detection Methods for <Emphasis Type="Italic">Listeria monocytogenes</Emphasis> and <Emphasis Type="Italic">Listeria</Emphasis> spp. in Meat,Dairy, Fish,and Vegetable Products |
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Authors: | Email author" target="_blank">David?Rodriguez-LazaroEmail author Patricia?Gonzalez-García Antonio?Valero Marta?Hernandez |
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Affiliation: | 1.Instituto Tecnológico Agrario de Castilla y León (ITACyL),Valladolid,Spain;2.Microbiology Section, Faculty of Sciences,University of Burgos,Burgos,Spain;3.Department of Food Science and Technology,University of Cordoba,Córdoba,Spain |
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Abstract: | The aim of this study was to evaluate the application of the Listeria monocytogenes and Listeria spp. SureTect detection methods for a rapid and sensitive detection in an ample range of food products: raw pork and poultry meat, Spanish chorizo, pate, smoked salmon, raw sheep milk cured cheese, and ready-to-eat lettuce salad. The combination of a 24-h enrichment in the 24 Listeria Enrichment Broth (LEB) coupled to a rapid bacterial DNA extraction and real-time polymerase chain reaction (RTi-PCR) using the specific SureTect methods detected down to 2–6 L. monocytogenes CFU per sample in less than 27 h on the food categories tested. Furthermore, the applicability of L. monocytogenes and Listeria spp. SureTect detection methods in real samples was assessed using 303 food samples, obtaining at least the same analytical performance as the international reference method ISO 11290-1. |
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