期刊
MARINE POLLUTION BULLETIN
卷 180, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2022.113756
关键词
Aquatic environment; Caspian Sea; Heavy metals; Human health; Target hazard quotient
This study aimed to analyze the levels of trace elements in two species of fish in the southwest of the Caspian Sea, and assess the potential risks to human health. The results showed that the Target Hazard Quotient (THQ) for both children and adults was below 1, indicating a relatively low risk associated with the consumption of these fish.
High levels of trace elements in aquatic environments can affect the quality of seafood. We analyzed the con-centrations of As, Cd, Co, Hg, Mn, Ni and Pb, in the edible muscles of Hemiculter leucisculus and A. brama orientalis caught in four different areas of southwest of the Caspian Sea. We estimated the potential risks for human health deriving by the oral consumption of these two species, and the Target Hazard Quotient (THQ) according to the US-EPA approach. THQ by adults and children was always below 1 for all stations. The greater contribution was given by Co, followed by Cd, Hg, Pb, Ni, As and Mn. Total-THQ was 0.538 and 0.246 for children and adults, respectively. Trace elements detected by our study were not elevated, highlighting a positive picture of the studied area and a lower risk of developing chronic systemic effects deriving from the consumption of local fish products.
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