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Assessment of Human Health Risk of Metal(Loid) Content in Brazilian Sardine Along the Southwestern Atlantic

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Abstract

The Brazilian sardine (Sardinella aurita) is an important food resource found in the subtropical Southwestern Atlantic Continental Shelf (CSSWA), but limited information about its metal(loid) concentrations is available, restricting effective risk assessment by its consumption. On this research, we hypothesized that S. aurita presents different metal(loid) concentrations within a latitudinal gradient in the CSSWA (northern and southern sectors). We also assessed the S. aurita consumption contamination risk in both sectors of the CSSWA. The results indicated that S. aurita might present different chemical and contamination profiles between the observed sectors, with highlights to As, Cr, and Fe at greater levels than the safety limits established by regulatory agencies. Such finds could be explained by urbanization, industrialization, continental and oceanographic processes along the CSSWA, corroborating our hypothesis for most observed metals(loid). On the other hand, our risk assessment analysis of metal(loid) concentrations did not indicate hazards for human consumption.

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Acknowledgements

We are very grateful for the comments of the two reviewers. CER thanks FAPERJ and CNPq for the financial support to the laboratory infrastructure. ABB thanks FAPERJ for the postdoctoral fellowship (E-26/204.454/2021).

Funding

This research was supported by MULTISAR project, an environmental offset measure established through a Conduct Adjustment Agreement between Petrorio and the Brazilian Ministry for the Environment, with the FUNBIO as an implementer.

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Correspondence to Arthur B. Bauer.

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Bauer, A.B., de Rezende, C.E., Weigert, S. et al. Assessment of Human Health Risk of Metal(Loid) Content in Brazilian Sardine Along the Southwestern Atlantic. Bull Environ Contam Toxicol 110, 86 (2023). https://doi.org/10.1007/s00128-023-03723-7

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  • DOI: https://doi.org/10.1007/s00128-023-03723-7

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