Determination of toxic elements in fish of the genus Astyanax consumed by artisanal fishermen of the district of Riacho Grande, São Bernardo do Campo city, Brazil
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2019
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INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE
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Toxic elements in contact with the human body cause numerous health problems. The contamination occurs mostly by food consumption, such as the ingestion of fish contaminated with high concentrations of As, Cd, Hg or Pb among other elements. Many fishermen and their family members end up exposing themselves to different toxic elements due to fish based diet as the main protein nutrient because they are unaware of the health risks associated with the consumption of fish from contaminated waters. In the present study, quantification of the toxic or potentially toxic elements As, Br, Cs, Cr, Co, Fe, K, Na, Sc, Se and Zn in samples of fish of the genus Astyanax (known by the common name of lambari) collected at Billings Dam by fishermen from the Riacho Grande District (São Bernardo do Campo city/SP) is presented. The lambari fish had great relevance in this study because it is consumed as a snack, in which the subject feeds on the whole organism of the fish, having a greater risk of direct contact with toxic elements through ingestion. Elements were determined by Instrumental Neutron Activation Analysis (INAA). This study is important in establishing an updated spatiotemporal vision of the contamination by various elements of interest in the region and contributes to the food safety assurance, regarding inorganic contaminants referred by the The Brazilian Health Regulatory Agency (ANVISA).
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REIS, DANIELE P. dos; MOREIRA, EDSON G. Determination of toxic elements in fish of the genus Astyanax consumed by artisanal fishermen of the district of Riacho Grande, São Bernardo do Campo city, Brazil. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 21-25, 2019, Santos, SP. Proceedings... Rio de Janeiro: Associação Brasileira de Energia Nuclear, 2019. p. 1989-1999. Disponível em: http://repositorio.ipen.br/handle/123456789/30596. Acesso em: 30 Dec 2025.
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