DNA Analysis Detects Different Mislabeling Trend by Country in European Cod Fillets

Atlantic cod, Gadus morhua , is a highly appreciated fish in European seafood markets and is one of the most substituted fish species in the world. Fraud have been detected in European markets in the last decade, finding different substitute species sold as G. morhua or Atlantic cod on the label. In...

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Bibliographic Details
Published in:Foods
Main Authors: Frederik Feldmann, Alba Ardura, Carmen Blanco-Fernandez, Eva Garcia-Vazquez
Format: Article in Journal/Newspaper
Language:English
Published: MDPI AG 2021
Subjects:
Atlantic cod
barcoding
mislabeling
European markets
Chemical technology
TP1-1185
atlantic cod
Gadus morhua
Online Access:https://doi.org/10.3390/foods10071515
https://doaj.org/article/31e097edd5fc4b9d9a79b6bc48b1fda6
Description
Summary:Atlantic cod, Gadus morhua , is a highly appreciated fish in European seafood markets and is one of the most substituted fish species in the world. Fraud have been detected in European markets in the last decade, finding different substitute species sold as G. morhua or Atlantic cod on the label. In this study, we analyzed 252 samples of fresh and frozen cod fillets sold in Germany, the Netherlands, and France using DNA barcoding. Different trends were found in different countries: while the level of mislabeling found in Germany and the Netherlands remained at zero in the last years, a significant increase was found in the French markets comparing the current results with previous studies on fillets in France. On the one hand, this mislabeling proves the need to encourage European efforts to control seafood authenticity; on the other, zero mislabeling in two countries shows the success of current European regulations.

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