Qualidade microbiológica da água e dos mexilhões Perna perna (Linnaeus, 1758) cultivados em Piúma, Espírito Santo, Brasil

Silva, Breno Ribeiro da; Menegardo, Suzana Bianquini; Aride, Paulo Henrique Rocha; Lavander, Henrique David; Spago, Flávia Regina; Souza, Thiago Bernardo de

doi:10.1590/s1413-415220180169

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…The most significant differences were observed between the fresh or precooked product (control) and the products observed after cooking. Similar results were reported by Silva et al (2021) in Piúma (ES), who found a density of S. aureus ranging from 1.28 x 10 2 to 4.35 x 10 3 CFU/g in mussels Perna perna.…”

Section: Original Articlesupporting

confidence: 89%

“…However, although higher counts were noticed in fresh and peeled products, no significant differences were detected between the different time intervals in multiple comparisons (comparisons of 2 groups). Less significant figures were described by Silva et al (2021) in their evaluation of the microbiological quality of mussels Perna perna cultivated in Píuma, Espírito Santo. The authors found that the amount of total coliforms ranged from 28 to >1,600 MPN/g and the number of thermotolerant coliforms ranged from <2 to 21.5 MPN/g.…”

Section: Table 1 Mean Bacteriological Count Values Of Musselsmentioning

confidence: 97%

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Hygiene conditions of mussels Perna perna captured in Niterói, RJ, Brazil: thermal intervention and microbiological evaluation

et al. 2022

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Bivalve molluscs are important fishing resources for human consumption around the world. However, for safe consumption, good hygiene conditions must be ensured throughout the production chain. Eating bivalve molluscs, particularly raw, can pose a significant health risk to consumers because they can act as vectors of infectious pathogens. This study aimed to evaluate the microbiological quality of mussels from Niterói, RJ and the use of cooking to ensure food safety, as well as assessing the susceptibility of Escherichia coli and coagulase-positive Staphylococcus strains to different antimicrobials. Therefore, microbiological analyzes were performed on mussels Perna perna before and after thermal processing, the impact of cooking on the microorganisms was verified. Cooking the mussels in water at 95°C for 1 (one) minute reduced product contamination. The use of the time x temperature binomial was sufficient to reduce pathogenic microorganisms to acceptable levels according to Brazilian legislation, although the pathogens were only completely eliminated after five minutes. The bacteria investigated had a high antibiotic resistance index: 66% of E. coli strains and 34.78% of coagulase-positive Staphylococcus strains were found to be resistant to multiple drugs.

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Section: Original Articlesupporting

confidence: 89%

Section: Table 1 Mean Bacteriological Count Values Of Musselsmentioning

confidence: 97%

Hygiene conditions of mussels Perna perna captured in Niterói, RJ, Brazil: thermal intervention and microbiological evaluation

et al. 2022

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Pathogens and microorganisms in the mangrove oyster Crassostrea gasar cultivated in an estuarine environment in Northeast Brazil

Mendes,

Rodrigues,

Gomes

et al. 2023

Braz. J. Biol.

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Estuaries are important ecosystems due to the ecological services they provide, acting as nurseries for many species of fish and invertebrates, and are also used as environments for the extraction and cultivation of mollusks. Oysters are animals that filter water to obtain oxygen and nutrients. In this process, they can bioaccumulate microorganisms and chemical substances in their tissues. The growth of mollusk culture in Northeastern Brazil requires the health identification of cultivated oysters through the quantification of the potentially harmful microbiota accumulated in the animals. Therefore, the present work aims to quantify and identify bacteria and possible pathogens found in the tissues of cultivated oysters and their culture waters. The Most Probable Number of Coliforms (MPN) in oysters and water were considered suitable according to the Brazilian current legislation, Vibrio sp. obtained low colonization and Salmonella sp. was not observed. The prevalence of microorganisms potentially pathogenic to oysters was 33.7%, highlighting metazoans and Nematopsis sp., however, the intensity of the infestation of these organisms was moderate. The low contamination of oysters demonstrates that this culture environment is promising for this activity. However, continuous environmental and sanitary monitoring is fundamental to guarantee the safety of the culture waters and the sustainability of aquaculture activities.

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Qualidade microbiológica de ostras e de águas em manguezais de macromaré da costa amazônica (ilha de São Luís, MA), Brasil

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Costa

Funo

et al. 2023

Eng. Sanit. Ambient.

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Resumo Com o objetivo de avaliar a qualidade microbiológica de águas e ostras de bancos naturais e ostreiculturas localizados na ilha de São Luís (MA), foram analisadas no período de setembro de 2020 a fevereiro de 2021 60 amostras, sendo 30 de água e 30 de ostras (Crassostrea sp.), coletadas diretamente com os marisqueiros e proprietários de cultivos nos municípios da ilha de São Luís. Para a determinação de coliformes totais e Escherichia coli nas amostras de água, foi utilizado o método rápido Colilert®. A contagem de coliformes totais e termotolerantes em ostras foi realizada pelo método do número mais provável (NMP) e de E. coli por testes bioquímicos (Indol, VM, VP, Citrato). A enumeração de Staphylococcus coagulase positiva ocorreu pelo meio Baird Parker para isolamento e identificação, assim como por testes bioquímicos. A média geométrica do resultado da contagem de E. coli nas amostras de água variou entre 604,3 e 1.130,8 NMP/100 mL, indicando qualidade microbiológica insatisfatória. Quanto às amostras de ostras, oito (26,7%) das 30 amostras estavam impróprias para consumo, sendo quatro (13,3%) contaminadas por Salmonella sp. e E. coli, respectivamente. Segundo a Resolução da Diretoria Colegiada nº 331/19 e a Instrução Normativa nº 60 da Agência Nacional de Vigilância Sanitária, os resultados são preocupantes para a saúde pública, e recomendam-se ações mitigadoras, como o monitoramento regular da qualidade microbiológica da água.

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Qualidade microbiológica da água e dos mexilhões Perna perna (Linnaeus, 1758) cultivados em Piúma, Espírito Santo, Brasil

Cited by 3 publications

References 13 publications

Hygiene conditions of mussels Perna perna captured in Niterói, RJ, Brazil: thermal intervention and microbiological evaluation

Hygiene conditions of mussels Perna perna captured in Niterói, RJ, Brazil: thermal intervention and microbiological evaluation

Pathogens and microorganisms in the mangrove oyster Crassostrea gasar cultivated in an estuarine environment in Northeast Brazil

Qualidade microbiológica de ostras e de águas em manguezais de macromaré da costa amazônica (ilha de São Luís, MA), Brasil

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