Species Identification of Some Fish Processing Products in Iran by DNA Barcoding

Authors
R. Changizi 1
H. Farahmand 2
M. Soltani 3
F. Darvish 1
A. Elmdoost 2
1 Faculty of Agriculture and Natural Resource, Science and Research Branch, Islamic Azad University, Tehran, Islamic Republic of Iran.
2 Department of Fishery, University College of Agriculture and Natural Resource, University of Tehran, Karaj, Islamic Republic of Iran.
3 Department of Aquatic Health, Faculty of Veterinary, University of Tehran, Islamic Republic of Iran.
Abstract
This study pursued the molecular identification of fish species from processed products for human consumption which, a priori, belonged to nine species. DNA barcoding using direct sequencing of about 650 bp of the mitochondrial gene cytochrome oxidase subunit I (COI) revealed incorrect labeling in the three Alaska Pollack samples (11% of all samples). Substitution of fish species constitutes serious economic fraud, and our results increase concern regarding the trading of processed fish products in Iran from both health and conservation points of view.

Keywords

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Journal of Agricultural Science and Technology
Volume 15, Issue 5
September and October 2013
Pages 973-980