Journal
FOOD CHEMISTRY
Volume 194, Issue -, Pages 659-670Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.08.072
Keywords
Trace elements; Metals; Farmed marine fish; Bioaccumulation; Sediment geochemistry; Human risk assessment
Funding
- European 6th Framework Programme (ECASA project) [006540]
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Twenty-eight metals and elements were measured in the muscle, liver, gills, bone and intestine of farmed seabass and gilthead seabream from four Mediterranean fish farms. The influence of fish species and the effect of environmental conditions on the metal accumulation in fish tissues was investigated. Most concentrations were lower in muscle and higher in liver and bone than in other body tissues. Seabass accumulates more elements in its tissues than seabream. Fish reared in coarse, oxic sites accumulate more elements with higher concentrations in muscle, bone and intestine and with lower concentrations in liver and gills than fish reared in silty, anoxic sites. This may be attributed to feed type and sediment properties. According to the metal pollution index, hazard quotient, selenium health benefit values, carcinogenic risk of arsenic, maximum safe consumption and the permitted limits, the consumption of both farmed species should be considered as safe for human health. (C) 2015 Elsevier Ltd. All rights reserved.
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