Prevalence and counts of Salmonella spp. in minimally processed vegetables in São Paulo, Brazil

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Abstract

Minimally processed vegetables (MPV) may be important vehicles of Salmonella spp. and cause disease. This study aimed at detecting and enumerating Salmonella spp. in MPV marketed in the city of São Paulo, Brazil. A total of 512 samples of MPV packages collected in retail stores were tested for Salmonella spp. and total coliforms and Escherichia coli as indication of the hygienic status. Salmonella spp. was detected in four samples, two using the detection method and two using the counting method, where the results were 8.8 × 10 2 CFU/g and 2.4 × 10 2 CFU/g. The serovars were Salmonella Typhimurium (three samples) and Salmonella enterica subsp. enterica O:47:z4,z23:- (one sample). Fourteen samples (2.7%) presented counts of E. coli above the maximum limit established by the Brazilian regulation for MPV (10 2 CFU/g). Therefore, tightened surveillance and effective intervention strategies are necessary in order to address consumers and governments concerns on safety of MPV. © 2011 Elsevier Ltd.

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APA

Sant’Ana, A. S., Landgraf, M., Destro, M. T., & Franco, B. D. G. M. (2011). Prevalence and counts of Salmonella spp. in minimally processed vegetables in São Paulo, Brazil. Food Microbiology, 28(6), 1235–1237. https://doi.org/10.1016/j.fm.2011.04.002

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