Health risk assessment of heavy metal concentration in muscle of Chelon auratus and Chelon saliens from the southern Caspian Sea

Abstract

Heavy metals are one of the most serious pollutants in aquatic ecosystems, and their accumulation in fish products causes harmful effects on human health. In this context, we set out to determine the concentrations of heavy metals in the muscle of two fish species of commercial interest, Chelon auratus and Chelon saliens on the south coast of the Caspian Sea. We aimed to assess the degree of environment contamination in this area and to estimate the potential risk to human health derived from the consumption of fish. The mean concentrations of the different metals analysed were very varied in both species. In fact, some concentrations exceeded the permissible limits for the protection of human health for Cd and Pb, and some values of As were above those referenced by other authors in same species in the Caspian Sea. None of the estimated daily intake values exceeded the tolerable intake based on the consumption under consideration. Nonetheless, the accumulative hazard values evidenced a potential risk to human health, Pb and Hg being those giving a higher target hazard quotient. The cancer risk from exposure to As from fish consumption in children was above the “acceptable” risk to life. Thus, in view of the accumulative nature of heavy metals, a moderate and non-abusive fish consumption in this area, particularly in children, would be recommendable.

Progress in quality control, detection techniques, speciation and risk assessment of heavy metals in marine traditional Chinese medicine

“…This new approach provides valuable reference for assessing the health risk of heavy metals and harmful elements in MTCMs. Bakhshalizadeh et al [ 66 ] demonstrated that As poses a carcinogenic risk to children that exceeds the "acceptable" threshold. This conclusion was drawn from their analysis of heavy metals in the muscles of Chelon auratus and Chelon saliens, as well as their evaluation of potential risks to human health.…”

Evaluation of acute toxicity of neodymium and yttrium in zebrafish (Danio rerio) embryos

“…Their extensive use in different areas has permitted their release into the environment by different sources, such as mining, extraction and refining, sewage from industrial processes, or electronic residues deposited in landfills (Ayedun et al, 2016). This has enabled the pollution of different ecosystem and their monitoring in different parts of the world (Tepe et al, 2014;Hatje et al, 2016;Liu et al, 2019;Bakhshalizadeh et al, 2023). However, their detection in various environmental matrices has rendered them potential emerging pollutants, possibly triggering alterations in humans and ecosystem fauna (Rogowska et al, 2018;Malhotra et al, 2020), as they are not regulated, or monitored in public health programs.…”

“…Regarding the adverse effects that can be caused on the aquatic ecosystem, some current studies have been related to their absorption and accumulation in organic tissues, like, for example, in fish, shellfish or molluscs (Perrat et al, 2017;Trifuoggi et al, 2017;Bakhshalizadeh et al, 2023). However, few are concentrated on evaluating their toxicity (Pagano et al, 2016;Kang et al, 2022a;Kang et al, 2022b;Lachaux et al, 2022).…”

Do eco-geospatial differences induce otolith morphological variations? Assessment in Chelon auratus (Mugiliformes, Mugilidae) populations collected from Tunisian and Mauritanian waters

“…The golden grey mullet Chelon auratus (Risso, 1810) belongs to the Mugilidae family and is of great importance due to its high commercial value, particularly for its gonads (D'Iglio et al, 2022). It is the most abundant species along the northeast Atlantic Ocean and Mediterranean coasts (Bakhshalizadeh et al, 2023) and is found at depths of 10-20 m (Thomson, 1990). Juveniles feed solely on zooplankton, whereas adults feed mainly on trivial benthic organisms and detritus (Bakhshalizadeh et al, 2023).…”