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Molecular identification of fish species from surimi‐based products labeled as A laskan pollock
Author(s) -
Keskin E.,
Atar H. H.
Publication year - 2012
Publication title -
journal of applied ichthyology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 62
eISSN - 1439-0426
pISSN - 0175-8659
DOI - 10.1111/j.1439-0426.2012.02031.x
Subject(s) - pollock , biology , gadidae , sciaenidae , genbank , fishery , zoology , fish <actinopterygii> , gadus , gene , atlantic cod , genetics
Summary Sequence analysis of the cytochrome c oxidase I gene was used to confirm the identity of species in 50 commercial surimi products labeled as Alaskan pollock ( Theragra chalcogramma ). All sequences (655 base pairs long) produced from the samples were aligned and compared with reference sequences from the GenBank database. A Neighbor Joining tree clustered samples into eight groups. Results showed that only 16% (8/50) of the surimi samples were made from Alaskan pollock as declared. The remaining species detected in samples belonged to the families Sciaenidae (12%), Synodontidae (16%), Merlucciidae (38%), Nemipteridae (8%), Priacanthidae (2%), Mullidae (2%), and two species of Gadidae (4%).