Listeria monocytogenes and Other Species as Persistent Contaminants in the Processing of Chicken Meat

Moura, Greika Ferreira; Tomborelli, Patricia M; Carvalho, Ricardo César Tavares; Sigarini, Cleise Oliveira; Carvalho, Fernanda Tavares; Vieira, Bruno Serpa; Figueiredo, Eduardo Eustáquio de Souza

doi:10.3382/japr/pfy071

Cited by 9 publications

(5 citation statements)

References 30 publications

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“…Bacterial DNA was extracted from all isolates by thermal lysis and quantified by fluorometry using a Qubit device (Invitrogen, Singapore). Molecular confirmation of LM was performed in triplicate by real-time PCR, following the procedures originally described by Traunsek et al [20] and modified by Moura et al [21].…”

Section: Real-time Pcr Confirmatory Assaymentioning

confidence: 99%

Listeria monocytogenes in Export-approved Beef from Mato Grosso, Brazil: Prevalence, Molecular Characterization and Resistance to Antibiotics and Disinfectants

et al. 2019

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The Brazilian state of Mato Grosso is the largest producer and exporter of beef in the country, but few studies of relevance have been conducted to evaluate the microbiological safety of its products. This study aimed to estimate the prevalence of Listeria monocytogenes (LM) in export-approved beef from Mato Grosso and to characterize the isolates in terms of molecular properties and antimicrobial resistance. From a total of 50 samples analyzed, Listeria sp. was isolated in 18 (36% prevalence). Listeria monocytogenes was confirmed in 6 (12% prevalence). Among the serotype groups assessed by multiplex PCR, serotype 4 (4b, 4d or 4e) was the most prevalent. Although antibiotic resistance was not an issue, two strains isolated from different plants showed high resistance to sodium hypochlorite. Overall, this scenario causes concern because it puts at risk not only the Brazilian customer, but also the population of countries that import beef from Mato Grosso.

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Section: Real-time Pcr Confirmatory Assaymentioning

confidence: 99%

Listeria monocytogenes in Export-approved Beef from Mato Grosso, Brazil: Prevalence, Molecular Characterization and Resistance to Antibiotics and Disinfectants

et al. 2019

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“…Despite the relevance of predicting food safety risks, Chlebicz and Śliżewska (2018), Moura et al (2019), and Battilani et al (2016) show that the problem of prediction in food and feed safety has not yet been studied in depth. Few works approach the problem within the RASFF framework or use the information stored in its portal for this purpose and none of them fully exploit the huge amount of data stored there.…”

Section: Introductionmentioning

confidence: 99%

A comparison of neural and non-neural machine learning models for food safety risk prediction with European Union RASFF data

2022

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European Union launched the RASFF portal in 1977 to ensure crossborder monitoring and a quick reaction when public health risks are detected in the food chain. There are not enough resources available to guarantee a comprehensive inspection policy, but RASFF data has enormous potential as a preventive tool. However, there are few studies of food and feed risk issues prediction and none with RASFF data. Although deep learning models are good prediction systems, it must be confirmed whether in this field they behave better than other machine learning techniques. The importance of categorical variables encoding as input for numerical models should be specially studied. Results in this paper show that deep learning with entity embedding is the best combination, with accuracies of 86.81%, 82.31%, and 88.94% in each of the three stages of the simplified RASFF process in which the tests were carried out. However, the random forest models with one hot encoding offer only slightly worse results, so it seems that in the quality of the results the coding has more weight than the prediction technique. Our work also demonstrates that the use of probabilistic predictions (an advantage of neural models) can also be used to optimize the number of inspections that can be carried out.

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“…Contudo, essa pesquisa é muitas vezes realizada em pontos específicos da indústria com número reduzido de amostras, não retratando a eficácia do processo de higienização como um todo. Devido à natureza ubíqua de L. monocytogenenes juntamente com a adaptabilidade ao ambiente de produção, o patógeno pode estar relacionado a distintas etapas do processo de produção de alimentos com destaque para a contaminação de superfícies de equipamentos e utensílios (SERENO et al, 2019;CARVALHO et al, 2019;MOURA et al, 2019;PRATES et al, 2019), que tornam-se, fontes constantes de contaminação cruzada sendo, muitas vezes, um problema intrínseco às indústrias de alimentos, devido ao desconhecimento do local de origem do problema. Assim, o objetivo deste estudo foi avaliar a ocorrência e a sorotipificação de isolados de L. monocytogenes a partir de amostras de diferentes superfícies de equipamentos e utensílios utilizados no processamento de suínos, aves e laticínio após a higienização pré-operacional.…”

Section: Introductionunclassified

Compostos Bioativos Em Frutos De Acerolas Submetidos Ao Branqueamento Por Vapor E Congelamento

Miranda¹,

Melo²,

Costa³

2022

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A Revista Higiene Alimentar iniciou sua trajetória em 1982 e tornou-se referência na área, transitando e servindo de elo entre os setores produtivo, acadêmico e profissional na produção de alimentos.A publicação trata dos temas atuais relacionados à área da ciência dos alimentos, distribuídos em diversas seções, a fim de oferecer ao leitor os subsídios necessários ao debate de questões que envolvem a produção das matériasprimas, sua industrialização e, sobretudo, o entendimento das modernas tecnologias de processamento para a obtenção do alimento nutritivo, saudável, de alta qualidade e seguro.Nesse momento, quando a busca por sustentabilidade se torna um conceito holístico -ambiental e econômico, é impossível falar sobre compliance, comprometimento e sustentabilidade sem envolver e ter como norte a promoção do ser humano em todas as esferas organizacionais, oferecer condições dignas de vida pessoal e profissional para que se atinja, de forma robusta e sustentável, a Segurança Alimentar.É nisso que acreditamos. Por isso, continuamos a trabalhar para desenvolver e oferecer o que a Revista Higiene Alimentar sempre propôs -ser um ponto de referência, de encontro, de consulta a todos os envolvidos na promoção da Segurança Alimentar. Agradecemos a todos os envolvidos por participarem dessa bela história e trabalho ao longo desses anos e Convidamos você para continuar a escrever essa história.

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Listeria monocytogenes and Other Species as Persistent Contaminants in the Processing of Chicken Meat

Cited by 9 publications

References 30 publications

Listeria monocytogenes in Export-approved Beef from Mato Grosso, Brazil: Prevalence, Molecular Characterization and Resistance to Antibiotics and Disinfectants

Listeria monocytogenes in Export-approved Beef from Mato Grosso, Brazil: Prevalence, Molecular Characterization and Resistance to Antibiotics and Disinfectants

A comparison of neural and non-neural machine learning models for food safety risk prediction with European Union RASFF data

Compostos Bioativos Em Frutos De Acerolas Submetidos Ao Branqueamento Por Vapor E Congelamento

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