Fatty acids, persistent organic pollutants, and trace elements in small pelagic fish from the eastern Mediterranean Sea

Herceg Romanić, Snježana; Jovanović, Gordana; Mustać, Bosiljka; Stojanović-Đinović, Jasna; Stojić, Andreja; Čadež, Tena; Popović, Alexandre

Fatty acids, persistent organic pollutants, and trace elements in small pelagic fish from the eastern Mediterranean Sea

2021

Fatty acids (FAs) composition, 24 persistent organic pollutants (POPs), and 16 trace elements were examined in small pelagic fish (sardine, anchovy, round sardinella, chub and horse mackerels) caught by a fishing fleet for more than three years in the eastern Mediterranean Sea. Five Unmix source profiles associated with both sources, such as overlapping diet, including low-niche marine organisms and inputs from the surrounding environmental compartments were resolved. Inorganic compounds were notably more abundant in fish tissue than organochlorine xenobiotics. Comparison with the values of toxicological parameters revealed that the examined fish species are safe for human consumption, while the content of FAs emphasized the studied species as a valuable source of nutrients. A significant linear correlation was not observed between the 18 FAs and lipophilic organochlorines. Based on the obtained database, future assessments of the quality of edible fish species and the aquatic environment of the eastern Mediterranean Sea, which is known as an important fishing ground, could be significantly improved.

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