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Controlo microbiológico de pastas de azeitona processadas com diferentes especiarias e temperos

Authors: Rodrigues, Nuno; Pereira, J.A.; Bento, Albino; Ramalhosa, Elsa; Pereira, Ermelinda;

Controlo microbiológico de pastas de azeitona processadas com diferentes especiarias e temperos

Abstract

As pastas de azeitona são um produto apreciado e com procura crescente por parte do consumidor. No seu processamento diferentes aspetos deverão ser tidos em conta, sendo a segurança para o consumidor um dos mais importantes. Neste sentido, com o presente trabalho pretendeu-se avaliar a qualidade microbiológica de pastas de azeitona aromatizadas com diferentes especiarias e temperos (alho, azeite, louro, pimentão-doce, piripiri, orégãos e sumo de limão), elaboradas à escala laboratorial. Os microrganismos avaliados, após três meses de processamento das pastas, foram os mesófilos totais, bolores e leveduras, bactérias láticas, clostrídios sulfito redutores, Staphlylococcus aureus, coliformes totais, Escherichia coli e Salmonella spp.. Apenas na amostra de pasta de azeitona com adição de pimentão-doce foi possível contabilizar colónias viáveis de microrganismos, 2,3x103 UFC/g de mesófilos totais e 6,4x102 UFC/g de bactérias láticas. Apesar da presença destes microrganismos, os valores determinados indicam que o produto se encontra dentro dos limites de aceitabilidade estabelecidos pelos valores guia para avaliação da qualidade microbiológica de alimentos prontos a comer. Em nenhuma amostra analisada se detetou a presença de Salmonella spp.. Assim, todas as amostras analisadas revelaram qualidade microbiológica adequada, sendo por isso consideradas seguras para o consumidor. Estes resultados refletem a boa qualidade da matéria-prima inicial e mostram que as condições de higiene durante o processamento das mesmas e o tratamento térmico aplicado foram os adequados.

Country
Portugal
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Keywords

Segurança alimentar, Qualidade microbiológica, Pastas de azeitona

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
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