Considering that seafood mislabeling has been widely reported throughout the world and that the authentication of food components is one of the key issues in food safety, quality and sustainability, the aim of this study was to use DNA barcoding to investigate the prevalence of mislabeling among fish fillet products from markets and supermarkets located in Apulia (SE Italy). The study reveals a high degree of species mislabeling in fish fillet products. In particular, this study shows that the labels of only 32/200 fish fillet samples provided comprehensive information relating to commercial designation, scientific name, geographical area, production method and whether previously frozen. The labeling of other samples was not compliant with European legislation. Indeed, the scientific name, which must also be indicated from 1st January 2012, according to Article 68 of EU Commission Implementing Regulation No. 404/2011, was missing in 157/168 samples, the geographical area was missing in 152/168, while the commercial designation and the production method were reported in all samples. Furthermore, results from molecular investigations reveal a high occurrence of incorrect species declaration in fish fillet products. The commercial and/or scientific name declared failed to match the species identified in 164/200 (82%) samples. The study also highlighted that threatened, Vulnerable (VU), Endangered (EN) and Critically Endangered (CR) species considered to be facing a high risk of extinction has been used in the place of commercial species. This study thus provides further evidence of the need for increased traceability and assessment of food product authenticity. Additionally, traceability may improve the management of hazards related to fish safety, as well as guaranteeing product authenticity, providing reliable information to customers, enhancing supply-side management and improving product quality and sustainability.

Species identification in fish fillet products using DNA barcoding.

DI PINTO, ANGELA
;
MARCHETTI, PATRIZIA;MOTTOLA, ANNA;BOZZO, GIANCARLO;BONERBA, ELISABETTA;CECI, Edmondo;BOTTARO, MARILISA;TANTILLO, Giuseppina
2015-01-01

Abstract

Considering that seafood mislabeling has been widely reported throughout the world and that the authentication of food components is one of the key issues in food safety, quality and sustainability, the aim of this study was to use DNA barcoding to investigate the prevalence of mislabeling among fish fillet products from markets and supermarkets located in Apulia (SE Italy). The study reveals a high degree of species mislabeling in fish fillet products. In particular, this study shows that the labels of only 32/200 fish fillet samples provided comprehensive information relating to commercial designation, scientific name, geographical area, production method and whether previously frozen. The labeling of other samples was not compliant with European legislation. Indeed, the scientific name, which must also be indicated from 1st January 2012, according to Article 68 of EU Commission Implementing Regulation No. 404/2011, was missing in 157/168 samples, the geographical area was missing in 152/168, while the commercial designation and the production method were reported in all samples. Furthermore, results from molecular investigations reveal a high occurrence of incorrect species declaration in fish fillet products. The commercial and/or scientific name declared failed to match the species identified in 164/200 (82%) samples. The study also highlighted that threatened, Vulnerable (VU), Endangered (EN) and Critically Endangered (CR) species considered to be facing a high risk of extinction has been used in the place of commercial species. This study thus provides further evidence of the need for increased traceability and assessment of food product authenticity. Additionally, traceability may improve the management of hazards related to fish safety, as well as guaranteeing product authenticity, providing reliable information to customers, enhancing supply-side management and improving product quality and sustainability.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11586/139608
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