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<p>The marine environment is severely contaminated by anthropogenic activities. Among the pollutants are metals such as mercury (Hg), chromium (Cr), and zinc (Zn), elements commonly found in industrial effluents from steel mills. This study aims to quantify the concentrations of Hg, Cr, and Zn in seafood samples (crab and mussels) and conduct a consumption risk analysis, considering the seasonality and sexual dimorphism of the animals. The samples were collected from traditional fisheries in Itaipu, Niterói, Rio de Janeiro, Brazil. Muscle samples were removed from the animals, which served as the basis for determining Hg, Cr, and Zn levels. Consumption risk assessment was also conducted following the Estimated Monthly Intake and Hazard Quotient (HQ). The quantification results were below the limits set by international regulatory agencies. However, the risk analysis for the population revealed some HQ values above one, particularly for crab consumption.</p>

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Effect of Seasonality on the Contamination of Mussels (Perna perna) and Swimming Crabs (Achelous spinimanus) by Essential and Toxic Metals and the Health Risks of the Consumer Population on the Southeast Coast of Brazil

  • 期刊论文

  • 发表日期：

    2025年3月5日

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  • Alexandre Mendes Ramos-Filho,
  • Paloma de Almeida Rodrigues,
  • Adriano Teixeira de Oliveira,
  • Júlia Vianna da Anunciação de Pinho,
  • Bernardo Ferreira Braz,
  • Ricardo Erthal Santelli,
  • Carlos Adam Conte-Junior

摘要

The marine environment is severely contaminated by anthropogenic activities. Among the pollutants are metals such as mercury (Hg), chromium (Cr), and zinc (Zn), elements commonly found in industrial effluents from steel mills. This study aims to quantify the concentrations of Hg, Cr, and Zn in seafood samples (crab and mussels) and conduct a consumption risk analysis, considering the seasonality and sexual dimorphism of the animals. The samples were collected from traditional fisheries in Itaipu, Niterói, Rio de Janeiro, Brazil. Muscle samples were removed from the animals, which served as the basis for determining Hg, Cr, and Zn levels. Consumption risk assessment was also conducted following the Estimated Monthly Intake and Hazard Quotient (HQ). The quantification results were below the limits set by international regulatory agencies. However, the risk analysis for the population revealed some HQ values above one, particularly for crab consumption.