Hygiene conditions of mussels Perna perna captured in Niterói, RJ, Brazil: thermal intervention and microbiological evaluation
2022
ANDRADE,Nayara Martins de | CARVALHO,Alice Marqui de | SALEH,Mariana Marques | FONSECA,Ana Beatriz Monteiro | MESQUITA,Eliana de Fátima Marques de | DUARTE,Maria Carmela Kasnowski Holanda | CALIXTO,Flávia Aline Andrade | NASCIMENTO,Elmiro Rosendo do
Abstract 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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