Incidencia de Listeria spp. en carcasas de pollo congelado en un supermercado del nororiente de Bogotá

Pérez-Rubiano, Claudia Constanza; Reyes, Marcela Mercado; Camacho, Ana Karina Carrascal

doi:10.22490/24629448.404

Cited by 2 publications

(1 citation statement)

References 19 publications

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“…As already reported, Listeria is able to form ecological niches with other bacteria as Pseudomonas , thus allowing its persistence in the environment and making its eradication difficult (Pérez‐Rubiano et al . ; Carpentier and Cerf, ).…”

Section: Discussionmentioning

confidence: 98%

Presence ofListeria monocytogenesin Prepared Foods: Analysis of Influencing Factors

Benito

Figueroa-López²,

Lizana³

et al. 2016

Journal of Food Processing and Preservation

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Although food‐borne outbreaks of listeriosis are uncommon, they remain a major public health problem. We assessed the prevalence of Listeria monocytogenes in prepared foods and the influence of different factors (including type of food or presence of accompanying bacteria). Results showed that accompanying bacteria cause interference in the sensitivity of the detection method, being half Fraser the enrichment medium of choice. In 2760 samples, the global prevalence of L. monocytogenes was 1.4%. In ready‐to‐eat foods, the highest prevalence (23.3%) was found in products containing fermented or cured ingredients and the prevalence was also higher in foods with high counts of aerobic bacteria and lactose‐positive Enterobacteriaceae, two indicators of process hygiene. We also found that foods stored in <0C had a higher prevalence (4.1%) of L. monocytogenes. In prepared foods, factors favoring the presence of L. monocytogenes could be some components of ready‐to‐eat foods, temperatures <0C, and presence of accompanying bacteria. Practical Applications Results are of relevance for practical application as this study was performed in the context of the routine practice of a food control company, with samples collected in different restoration centers from Spain. Results obtained have allowed identifying some factors favoring the presence of L. monocytogenes, which should be taken into account in the current practice of the manufacturing centers of prepared foods to avoid contamination by this bacterium. Based on our results, actions aimed at avoiding high numbers of accompanying bacteria as aerobic mesophilic bacteria (AMB) or Enterobacteriaceae should be taken into account. Special care should also be taken in the manufacturing of foods containing fermented or cured ingredients, as cheese. Finally, the manufacturing centers should also consider the risk of Listeria contamination due to the use of sophisticated machinery or due to the storage of prepared foods at temperatures <0C.

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Section: Discussionmentioning

confidence: 98%

Presence ofListeria monocytogenesin Prepared Foods: Analysis of Influencing Factors

Benito

Figueroa-López²,

Lizana³

et al. 2016

Journal of Food Processing and Preservation

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Detection of Salmonella spp. in raw chicken commercialized in the southeast area of the city of Tunja

Caro Mejia,

Cardozo,

Dallos

et al. 2022

Cult. cient.

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Las enfermedades transmitidas por alimentos tienen gran impacto en la salud pública. Dentro de ellas, se encuentra la Salmonella spp., uno de los microorganismos patógenos que más produce alteraciones gastrointestinales en humanos. El objetivo del presente trabajo fue: Determinar la presencia de Salmonella spp. en pollo crudo comercializado en la Zona suroriental de la ciudad de Tunja. Como muestra, se seleccionaron 91 piernas de pollo al azar, a las cuales se les realizó análisis fisicoquímico (pH, actividad del agua Aw, humedad). Para determinar la presencia de salmonella, se utilizó la prueba de ELISA inmunoensayo visual Tecra (VIA 96TM). Se aplicó el test estadístico ji cuadrado con tablas de contingencia para evaluar la relación entre las variables: temperatura, pH y Aw, y la presencia de Salmonella spp. en las muestras analizadas. De las 91 muestras analizadas, n= 57 fueron positivas para Salmonella spp. (correspondientes al 62,6 %).

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Incidencia de Listeria spp. en carcasas de pollo congelado en un supermercado del nororiente de Bogotá

Cited by 2 publications

References 19 publications

Presence ofListeria monocytogenesin Prepared Foods: Analysis of Influencing Factors

Presence ofListeria monocytogenesin Prepared Foods: Analysis of Influencing Factors

Detection of Salmonella spp. in raw chicken commercialized in the southeast area of the city of Tunja

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