Encontrados 3 documentos, a visualizar página 1 de 1
Thermal inactivation of Listeria monocytogenes from alheiras, traditional Portu...
Felício, Maria Teresa S.; Ramalheira, Rosário; Ferreira, Vânia; Brandão, Teresa; Silva, Joana; Hogg, Tim; Teixeira, PaulaD values were calculated at 55, 60 and 65 °C for five Listeria monocytogenes isolates using alheira (traditional Portuguese sausage) food matrix as heating menstrum. z values were also calculated and combined with internal alheiras temperature profiles during cooking in multiple ways, allowed estimations of percentages of L. monocytogenes survival. Survival percentages estimations showed that except for roasti...
Characterisation of alheiras, traditional sausages produced in the North of Por...
Ferreira, Vânia; Barbosa, Joana; Silva, Joana; Felício, Maria Teresa; Mena, Cristina; Hogg, Tim; Gibbs, Paul; Teixeira, PaulaThe objective of this study was the characterisation of alheiras, traditional Portuguese sausages, with respect to their microbiological safety. Thirty-eight lots from 17 producers were analysed. The microbiological status of the analysed product can be considered of concern in terms of food safety. Although Campylobacter spp. and Escherichia coli O157 were not detected in any sample,and Clostridium perfringens...
Prevalence and serotyping of Listeria monocytogenes in Portuguese live bivalve ...
Pinto, Ana Luísa; Teixeira, Paula; Castilho, Fernanda; Felício, Maria Teresa; Pombal, FilomenaThe prevalence and contamination levels of Listeria monocytogenes were investigated in live bivalve molluscs for human consumption, collected in various steps of the commercial and sanitary circuits in the North of Portugal. Samples of di¡erent species were collected per lot before and after depuration treatment in two depuration units and further, when placed in retail markets. Listeria monocytogenes was isola...
| Financiadores do RCAAP | |||||||
|
|
|
|
|
|
||