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[the enteroparasitic contamination of commercial vegetables in the cities of niterói and rio de janeiro, brazil].the aim of this study was to evaluate the parasitological contamination of vegetables to be consumed raw and commercialized in niterói and rio de janeiro cities. we studied 128 samples of vegetables--lettuce (lactuca sativa) and watercress (nasturtium officinale)--from supermarkets, greengrocer shops and self-service restaurants. only 6.2% of the samples were positive for parasitic structures with morphological aspects similar to those of animal parasites. we detected acarids, acarid eggs, insec ...199910495664
[microbiological and parasitological contamination of lettuce (lactuca sativa) from self service restaurants of niterói city, rj].thirty samples of lettuces from self service restaurants of niterói were analyzed to detect bacteriological and parasitological contamination. sixteen samples presented fecal coliform, 16 mesophilic aerobic microorganisms greater than 10(7) ufc/g and 3 cysts of entamoeba coli. these data suggest the need of better orientation for food handlers regarding the hygiene of processed vegetables.200312937736
assessment of microbiological contamination of fresh, minimally processed, and ready-to-eat lettuces (lactuca sativa), rio de janeiro state, brazil.this study aimed to assess the microbiological contamination of lettuces commercialized in rio de janeiro, brazil, in order to investigate detection of norovirus genogroup ii (nov gii), salmonella spp., total and fecal coliforms, such as escherichia coli. for nov detection samples were processed using the adsorption-elution concentration method associated to real-time quantitative polymerase chain reaction (qpcr). a total of 90 samples of lettuce including 30 whole fresh lettuces, 30 minimally p ...201424761806
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