Verificação da presença de Listeria monocytogenes e Vibrio parahaemolyticus em amostras de pescada amarela (Cynoscion acoupa) comercializadas em São Luís – MA

Abstract

The increase in the consumption of fish due to changes in the dietary demands caused the yellow hake (Cynoscion acoupa) to become one of the most consumed species in Maranhão. Despite the nutritional benefits, it poses risks to public health, when contaminated by pathogens to humans. The objective of this work was to evaluate the presence of Listeria monocytogenes and Vibrio parahaemolyticus in samples of yellow hake (C. acoupa) sold at the fairs and supermarkets of São Luís (MA). Thirty samples of yellow hake were collected at fairs and supermarkets and the processing of these samples was done at the Food and Water Microbiology Laboratory of the Veterinary Medicine course of the State University of Maranhão. The microbiological analyzes were carried out according to the Manual of Methods of Microbiological Analysis of Foods (SILVA, 2007), and led to the finding of absence of V. parahaemolyticus and absence of L. monocytogenes in 100% of the samples. It can be concluded, therefore, that the results are in agreement with the RDC nº 12, of 2001, of ANVISA, and that, although the samples do not present the pathogens, it is necessary to create parameters for these bacteria, as a form of Prevention of risks to public health.