Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants

High levels of microbial contamination, commonly found in animal origin foods and food processing environments, are able to hinder the growth of pathogens in these products and interfere in the results of laboratory analyses for detection of these pathogens. With the aim of verifying the possible in...

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Main Authors: Barros, Márcia de Aguiar Ferreira, Nero, Luís Augusto, Manoel, Aline Villas-Bôas, d'Ovídio, Loredana, Silva, Lívia Cavaletti da, Franco, Bernadette Dora Gombossy de Melo, Beloti, Vanerli
Format: Artigo
Language: English
Published: Sociedade Brasileira de Microbiologia 2017
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Online Access: http://repositorio.unb.br/handle/10482/27101
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spelling ir-10482-271012019-03-28T14:08:23Z Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants Listeria spp. associado a diferentes níveis da microbiota autóctone de carne, produtos cárneos e plantas de processamento Barros, Márcia de Aguiar Ferreira Nero, Luís Augusto Manoel, Aline Villas-Bôas d'Ovídio, Loredana Silva, Lívia Cavaletti da Franco, Bernadette Dora Gombossy de Melo Beloti, Vanerli meat Listeria spp. autochthonous microbiota carne Listeria spp. microbiota autóctone High levels of microbial contamination, commonly found in animal origin foods and food processing environments, are able to hinder the growth of pathogens in these products and interfere in the results of laboratory analyses for detection of these pathogens. With the aim of verifying the possible interference of the autochthonous microbiota encountered in meat and meat products and processing plants over the presence of Listeria spp., 443 samples, collected from 11 meat retail establishments, were submitted to microbiological analysis to determine the levels of mesophilic aerobes, total coliforms and Escherichia coli and the presence of Listeria spp., according to the methodology proposed by the USDA. The results did not show evident interference of the autochthonous microbiota over Listeria spp., once the genus was detected even in the meat, meat products and environmental samples with high levels of contamination by mesophilic aerobes and coliforms. Altos níveis de contaminação microbiana, usualmente encontrados em alimentos de origem animal e nos ambientes de processamento, podem inibir a multiplicação de microrganismos patogênicos nesses produtos e interferir nos resultados das análises laboratoriais para o isolamento desses patógenos. Com o objetivo de verificar as possíveis interferências da microbiota autóctone encontrada na carne, produtos cárneos e plantas de processamento sobre a presença de Listeria spp., 443 amostras, coletadas em 11 estabelecimentos processadores, foram submetidas a análises microbiológicas para determinação dos níveis de contaminação por aeróbios mesófilos, coliformes totais e Escherichia coli e para verificação da presença de Listeria spp., de acordo com a metodologia proposta pelo USDA. Os resultados obtidos não mostraram uma interferência evidente da microbiota autóctone sobre Listeria spp., uma vez que esse gênero foi detectado mesmo nas amostras de carne e produtos cárneos e amostras ambientais e de superfície de equipamentos que apresentaram altos níveis de contaminação por aeróbios mesófilos e coliformes. 2017-12-07T04:48:35Z 2017-12-07T04:48:35Z 2007 Artigo Braz. J. Microbiol.,v.38,n.4,p.603-609,2007 1517-8382 http://repositorio.unb.br/handle/10482/27101 10.1590/S1517-83822007000400005 en Acesso Aberto application/pdf Sociedade Brasileira de Microbiologia http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000400005&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1517-83822007000400005&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_pdf&pid=S1517-83822007000400005&lng=en&nrm=iso
institution REPOSITORIO UNB
collection REPOSITORIO UNB
language English
topic meat
Listeria spp.
autochthonous microbiota
carne
Listeria spp.
microbiota autóctone
spellingShingle meat
Listeria spp.
autochthonous microbiota
carne
Listeria spp.
microbiota autóctone
Barros, Márcia de Aguiar Ferreira
Nero, Luís Augusto
Manoel, Aline Villas-Bôas
d'Ovídio, Loredana
Silva, Lívia Cavaletti da
Franco, Bernadette Dora Gombossy de Melo
Beloti, Vanerli
Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
description High levels of microbial contamination, commonly found in animal origin foods and food processing environments, are able to hinder the growth of pathogens in these products and interfere in the results of laboratory analyses for detection of these pathogens. With the aim of verifying the possible interference of the autochthonous microbiota encountered in meat and meat products and processing plants over the presence of Listeria spp., 443 samples, collected from 11 meat retail establishments, were submitted to microbiological analysis to determine the levels of mesophilic aerobes, total coliforms and Escherichia coli and the presence of Listeria spp., according to the methodology proposed by the USDA. The results did not show evident interference of the autochthonous microbiota over Listeria spp., once the genus was detected even in the meat, meat products and environmental samples with high levels of contamination by mesophilic aerobes and coliforms.
format Artigo
author Barros, Márcia de Aguiar Ferreira
Nero, Luís Augusto
Manoel, Aline Villas-Bôas
d'Ovídio, Loredana
Silva, Lívia Cavaletti da
Franco, Bernadette Dora Gombossy de Melo
Beloti, Vanerli
author_sort Barros, Márcia de Aguiar Ferreira
title Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
title_short Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
title_full Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
title_fullStr Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
title_full_unstemmed Listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
title_sort listeria spp. associated to different levels of autochthonous microbiota in meat, meat products and processing plants
publisher Sociedade Brasileira de Microbiologia
publishDate 2017
url http://repositorio.unb.br/handle/10482/27101
_version_ 1641988253109190656
score 13.657419