Detection of tetrodotoxins in juvenile pufferfish Lagocephalus sceleratus (Gmelin, 1789) from the North Aegean Sea (Greece) by an electrochemical magnetic bead-based immunosensing tool
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Andree, Karl B.
Elliott, Christopher T.
Two small Lagocephalus sceleratus juveniles were captured in picarel targeting catches from North Aegean Sea (Greece) in the autumn of 2017. An electrochemical immunosensing tool using magnetic beads as immobilisation support was developed and applied to the rapid screening of tetrodotoxins (TTXs), potent neurotoxins that constitute a food safety hazard when present in seafood. This tool revealed the presence of TTXs in both individuals. Results were compared with those provided by mELISA and LC-HRMS, the latter confirming the presence of TTX. Some of the tissues contained TTX contents close to or above 2 mg/kg. L. sceleratus juveniles had been considered as non-toxic and, to our knowledge, this is the first report of high TTX levels in small L. sceleratus individuals. Such specimens can be mistaken with other edible species, posing a threat to consumers. The availability of low-cost and user-friendly tools for TTXs detection will contribute to guarantee seafood safety.
63 - Agricultura. Silvicultura. Zootècnia. Caça. Pesca
Is part of
Leonardo, Sandra, Sotiris Kiparissis, Maria Rambla-Alegre, Sergi Almarza, Ana Roque, Karl B. Andree, and Aris Christidis et al. 2019. "Detection Of Tetrodotoxins In Juvenile Pufferfish Lagocephalus Sceleratus (Gmelin, 1789) From The North Aegean Sea (Greece) By An Electrochemical Magnetic Bead-Based Immunosensing Tool". Food Chemistry. Elsevier BV. doi:10.1016/j.foodchem.2019.03.148.
Grant agreement number
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/BIO2017-87946-C2-2-R/ES/DISPOSITIVOS BIOANALITICOS PARA LA DETECCION RAPIDA Y RENTABLE DE GAMBIERDISCUS Y CIGUATOXINAS/CIGUASENSING
Agrosistemes i Medi Ambient
Aigües Marines i Continentals
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