Journal
MARINE POLLUTION BULLETIN
Volume 170, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2021.112637
Keywords
Trace elements; Macroelements; Toxic metals; Fish farming; Greater amberjack
Funding
- European Union Seventh Framework Programme [KBBE-2013-07, 603121]
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This study focused on the accumulation of different elements in the liver and muscle of Seriola dumerili, with wild specimens showing higher accumulation levels compared to captive-reared ones. Significant differences were observed in the element and metal composition between wild females and captive-reared specimens, possibly due to nutrient mobilization for spawning in wild mature females.
Despite its legislative regulation and control, the quality and safety of aquatic products is somewhat questioned due to the potential bioaccumulation of pollutants. The elements (Al, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Sr, V and Zn) were determined in the liver and muscle of wild and captive-reared Seriola dumerili with the aim of studying possible differences between origins, and sex-related variations. Additionally, the dietary intake of these elements derived from its consumption was also evaluated. Most of the elements and metals analyzed were accumulated to a higher extent in the liver of wild specimens whereas lower differences were observed in the muscle. Overall, the elements and metal composition of wild females strongly differed from that of captive-reared specimens probably related to the mobilization of nutrients for the spawning season in wild mature females, which were greater than their captive-reared counterparts.
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