Abstract
In the present work, a method for the authentication of more of 100 scorpaenids species has been developed by means of forensically informative nucleotide sequencing technique, which is based on a PCR followed by a phylogenetic analysis. Due to the different commercial value of the species belonging to this taxonomic group, substitutions between species in seafood products can take place. Two different methodological strategies are proposed, allowing the analysis of fresh, frozen, or highly processed products with total reliability. These analytical systems have been validated and subsequently applied to 25 commercial samples. Therefore, this technique can be used as a routine method to avoid the mislabeling in the marketing of scorpaenid species and it is also suitable to assess the correct seafood traceability of these products.
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Acknowledgments
We thank Fátima C. Lago and Antonio Gavalás for their helpful assistance. We also thank to Vera Sequeira (University of Lisbon, Portugal), Jose Antonio González Pérez (Canary Institute of Marine Science, Spain), José Manuel Bautista (Complutense University of Madrid, Spain), Paloma Morán (University of Vigo, Spain), Sarah Lyon (University of Alaska Fairbanks, Alaska), Malcolm Wyeth (Pacific Biological Station, Nanaimo), Mark Tagal (National Oceanic and Atmospheric Administration, NOAA), Kaj Sünksen (Greenland Institute of Natural Resources, Greenland), Jan Yde Poulsen (University of Bergen, Norway), and Chan Il Park (Gyeongsang National University, Korea).
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Espiñeira, M., Vieites, J.M. Authentication of the most important species of rockfish by means of fins. Eur Food Res Technol 235, 929–937 (2012). https://doi.org/10.1007/s00217-012-1824-6
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DOI: https://doi.org/10.1007/s00217-012-1824-6