Occurrence of cyclic imines in European commercial seafood and consumers risk assessment
Autor/a
Rambla-Alegre, Maria
Miles, Christopher O.
de la Iglesia, Pablo
Fernandez-Tejedor, Margarita
Jacobs, Silke
Sioen, Isabelle
Verbeke, Wim
Samdal, Ingunn A.
Sandvik, Morten
Barbosa, Vera
Tediosi, Alice
Madorran, Eneko
Granby, Kit
Kotterman, Michiel
Calis, Tanja
Diogene, Jorge
Fecha de publicación
2017-12-01ISSN
0013-9351
Resumen
Cyclic imines constitute a quite recently discovered group of marine biotoxins that act on neural receptors and that bioaccumulate in seafood. They are grouped together due to the imino group functioning as their common pharmacore, responsible for acute neurotoxicity in mice. Cyclic imines (CIs) have not been linked yet to human poisoning and are not regulated in the European Union (EU), although the European Food Safety Authority (EFSA) requires more data to perform conclusive risk assessment for consumers. Several commercial samples of bivalves including raw and processed samples from eight countries (Italy, Portugal, Slovenia, Spain, Ireland, Norway, The Netherlands and Denmark) were obtained over 2 years. Emerging cyclic imine concentrations in all the samples were analysed on a LC-3200QTRAP and LC-HRMS QExactive mass spectrometer. In shellfish, two CIs, pinnatoxin G (PnTX-G) and 13-desmethylspirolide C (SPX-1) were found at low concentrations (0.1–12 µg/kg PnTX-G and 26–66 µg/kg SPX-1), while gymnodimines and pteriatoxins were not detected in commercial (raw and processed) samples. In summary, SPX-1 (n: 47) and PnTX-G (n: 96) were detected in 9.4% and 4.2% of the samples, respectively, at concentrations higher than the limit of quantification (LOQ), and in 7.3% and 31.2% of the samples at concentrations lower than the LOQ (25 µg/kg for SPX-1 and 3 µg/kg for PnTX-G), respectively. For the detected cyclic imines, the average exposure and the 95th percentile were calculated. The results obtained indicate that it is unlikely that a potential health risk exists through the seafood diet for CIs in the EU. However, further information about CIs is necessary in order to perform a conclusive risk assessment.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
574 - Ecología general y biodiversidad
Páginas
20
Publicado por
Elsevier
Publicado en
Environmental Research
Citación
Rambla-Alegre, Maria, Christopher O. Miles, Pablo de la Iglesia, Margarita Fernandez-Tejedor, Silke Jacobs, Isabelle Sioen, and Wim Verbeke et al. 2018. "Occurrence Of Cyclic Imines In European Commercial Seafood And Consumers Risk Assessment". Environmental Research 161: 392-398. Elsevier BV. doi:10.1016/j.envres.2017.11.028.
Número del acuerdo de la subvención
EU/FP7/311820/EU/Priority environmental contaminants in seafood: safety assessment, impact and public perception/ECsafeSEAFOOD
INIA/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/RTA2013-00096-00-00/ES/Promoción de una acuicultura de bivalvos y pesqueria sostenible y segura mediante modelizacióin y caracterización del riesgo de toxinas emergentes/PROMAQUA
Program
Aigües Marines i Continentals
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