Avaliação microbiológica da pescada amarela (Cynoscion acoupa) comercializada na cidade de São Luís - MA

Abstract

The demand for healthy eating habits has led to a significant increase in fish consumption throughout the world. Fish can offer the consumer adequate amounts of essential nutrients, but if the quality of this food is not guaranteed throughout its production chain, it can cause serious problems for health of the consumer, especially those related to FBD (Foodborne Diseases) since this food is considered perishable and easy to deteriorating and pathogenic microorganisms. The objective of this study was to evaluate the microbiological quality of yellow hake (Cynoscion acoupa) commercialized in São Luís city, aiming to quantify coliforms at 35ºC and 45ºC, to investigate Escherichia coli, to count and identify coagulase positive Staphylococci and to investigate serovars of Salmonella sp. 30 fish samples were collected at the main fairs and supermarkets of São Luís and submitted to microbiological analyzes at the Laboratório de Microbiologia de Alimentos e Água of Universidade Estadual do Maranhão, according to the MAPA Normative Instruction 62 of 2003. We found none positive sample for Salmonella sp. and coagulase positive Staphylococci. 20 samples (66,6%) were positive for Staphylococcus sp., 29 samples (96.6%) we positive for coliforms at 35°C, 23 samples (76.6%) were positive for coliforms at 45°C and three samples were positive for Escherichia coli. Considering the results obtained we concluded that the hygienic-sanitary conditions of the analyzed samples are inadequate.