Data/hora: 17/06/2024 07:40:21

Provedor de dados: | 58
País: | Brazil
Título: | Microbiological quality of minimally processed vegetables sold in Porto Alegre, Brazil
Autores: | Silva,Silvia R. Pavan da; Verdin,Sylvia E. Frizzo; Pereira,Dariane C.; Schatkoski,Aline M.; Rott,Marilise B.; Corção,Gertrudes.
Data: | 2007-12-01
Ano: | 2007
Palavras-chave: | Minimally processed vegetables; Microbiologic quality; Parasitological analysis.
Resumo: | Minimally processed vegetables go through various steps during their preparation, with many modifications to their natural structure. However, they must maintain the same quality as the fresh produce. The aim of the present study was to quantify mesophilic and psychrotrophic microorganisms and total and faecal coliforms, and to assess the presence of Escherichia coli, parasites, and dirt material in ready-to-eat minimally processed vegetables. Fifty-six samples of minimally processed vegetables were analysed for the presence of mesophilic and psychrotrophic microorganisms by the plate-count method. Monthly means ranged from 4.7x10(5) to 1.6x10(8) CFU/g and from 7.9x10(6) to 2.7x10(8) CFU/g, respectively for mesophilic and psychrotrophic microorganisms. Coliforms were analysed by the multiple-tube method; total coliforms ranged from &amp;lt;3 to ³ 2.4x10(4) MPN/g and faecal coliforms from &amp;lt;3 to 1.1x10(4) MPN/g. Escherichia coli was detected in eight samples. Out of 52 samples, eight (15.3%) contained oocysts of Eimeria spp.. Dirt matter, such as insect body parts and young mites, was also found. Contamination of faecal origin was observed in these samples, suggesting that either the sanitisation of the product was unsuccessful, or soil or irrigation water could be the source of these microorganisms.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000400003
Editor: | Sociedade Brasileira de Microbiologia
Relação: | 10.1590/S1517-83822007000400003
Formato: | text/html
Fonte: | Brazilian Journal of Microbiology  v.38 n.4 2007
Fonte: | info:eu-repo/semantics/openAccess