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Study of the microbiological quality, prevalence of foodborne pathogens and product shelf-life of Gilthead sea bream (Sparus aurata) and Sea bass (Dicentrarchus labrax) from aquaculture in estuarine ecosystems of Andalusia (Spain)
Correia Peres Costa, J.C.; Floriano, B.; Bascón Villegas, I.M.; Rodríguez-Ruiz, J.P.; Posada-Izquierdo, G.D.; Zurera, G.; Pérez-Rodríguez, F. (2020). Study of the microbiological quality, prevalence of foodborne pathogens and product shelf-life of Gilthead sea bream (Sparus aurata) and Sea bass (Dicentrarchus labrax) from aquaculture in estuarine ecosystems of Andalusia (Spain). Food Microbiol. 90: 103498. https://hdl.handle.net/10.1016/j.fm.2020.103498
In: Food Microbiology. Academic Press: London; Orlando. ISSN 0740-0020; e-ISSN 1095-9998
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| Trefwoorden |
Dicentrarchus labrax (Linnaeus, 1758) [WoRMS]; Sparus aurata Linnaeus, 1758 [WoRMS]; Vibrio parahaemolyticus (Fujino, Okuno, Nakada, Aoyama, Fukai, Mukai & Ueho, 1951) Sakazaki, Iwanami & Fukumi, 1963 [WoRMS]
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| Author keywords |
Vibrio parahaemolyticus; Shelf-life; 16S ribosomal RNA sequencing; Molecular identification; Predictive microbiology; Fish farm |
| Auteurs | | Top |
- Correia Peres Costa, J.C.
- Floriano, B.
- Bascón Villegas, I.M.
- Rodríguez-Ruiz, J.P.
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- Posada-Izquierdo, G.D.
- Zurera, G.
- Pérez-Rodríguez, F.
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| Abstract |
This study was aimed at characterizing microbiologically Gilthead sea bream (Sparus aurata) and Sea bass (Dicentrarchus labrax) produced in two estuarine ecosystems in Andalusia (Spain): the estuary of the river Guadalquivir (La Puebla del Río, Sevilla) (A), and the estuary of the river Guadiana (Ayamonte, Huelva) (B). The collected fish individuals and water were analysed for hygiene indicator microorganisms and pathogens. The statistical analysis of results revealed that microbial counts for the different microbiological parameters were not statistically different for fish type. On the contrary, considering anatomic part, viscera showed significantly higher concentrations for Enterobacteriaceae, total coliforms and for Staphylococcus spp. coagulase +. Furthermore, location A showed in water and fish higher levels for lactic acid bacteria, aerobic mesophilic bacteria, Enterobacteriaceae, total coliforms and Staphylococcus spp. coagulase +. Neither Listeria monocytogenes, nor Salmonella spp. were detected, though Vibrio parahaemolyticus was identified, molecularly, in estuarine water in location B. The predictive analysis demonstrated that the initial microbiological quality could have an impact on product shelf-life, being longer for location B, with better microbiological quality. Results stress the relevance of preventing the microbiological contamination of water in estuary production systems in order to assure the quality and safety of Gilthead sea bream and Sea bass. |
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