DNA-based methods using informative markers such as single nucleotide polymorphism (SNPs) are suitable for reliable species identification (SI) needed to enforce compliance with seafood labelling regulations (EU No. 1379/2013). We developed a panel of 10 highly informative SNPs to be genotyped by PCR-High resolution melting (HRM) for SI in the Mytilus genus through in silico and in vitro stages. Its fitness for purpose and concordance were assessed by an internal validation process and by the transference to a second laboratory. The method was applicable to identify M. Chilensis, <i>M. edulis, M. galloprovincialis and M. trossulus </i>mussels, fresh, frozen and canned with brine, oil and scallop sauce, but not in preserves containing acetic acid (wine vinegar) and tomato sauce. False-positive and negative rates were zero. Sensitivity, expressed as limit of detection (LOD), ranged between 5 and 8 ng/μL. The method was robust against small variations in DNA quality, annealing time...
Development and validation of a multi-locus PCR-HRM method for species identification in Mytilus genus with food authenticity purposes.
M. A. Larrain, Food Quality Research Center, Universidad de Chile, Santiago 8380544, Chile. Tel. +56-2297-816-36. E-mail firstname.lastname@example.org
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Quintrel, M., Jilberto, F., Sepulveda, M., Marin, M., Veliz, D., Araneda, C., Larrian, M.; Development and validation of a multi-locus PCR-HRM method for species identification in Mytilus genus with food authenticity purposes.. IFIS Food and Health Sciences Database 2022; doi:
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