Details

Autor(en) / Beteiligte

• Ferreira, Verona Borges
• Estrella, Leonardo Fontes
• Alves, Marcelo Guzzon Rodrigues
• Gallistl, Christoph
• Vetter, Walter
• Silva, Thadia Turon Costa
• Malm, Olaf
• Torres, João Paulo Machado
• Abadio Finco, Fernanda Dias Bartolomeu

Titel

Residues of legacy organochlorine pesticides and DDT metabolites in highly consumed fish from the polluted Guanabara Bay, Brazil: distribution and assessment of human health risk

Ist Teil von

• Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes, 2020-01, Vol.55 (1), p.30-41

Ort / Verlag

England: Taylor & Francis

Erscheinungsjahr

2020

Link zum Volltext

Quelle

Taylor & Francis

Beschreibungen/Notizen

• Organochlorine (OCP) pesticides were determined in samples of sardine (Sardinella brasiliensis), whitemouth croaker (Micropogonias furnieri), and mullet (Mugil liza) from Guanabara Bay (state of Rio de Janeiro, Brazil). OCP concentrations and fish consumption were linked with acceptable daily intake values in order to assess the human health risk for the Brazilian population. The total concentrations of OCPs (Σ OCP) was 6.6 ng/g f.w., 7.5 ng/g f.w., and 2.8 ng/g f.w. for sardines, corvina, and mullet, respectively. There was a significant difference (P < 0.05) among the species related to o,p'-DDD and o,p'-DDT concentrations. Both DDT-related compounds were 5 and 76 times more abundant in sardines than in whitemouth croaker and mullet. Newly discovered DDT metabolite, o-Cl-DDMU, was frequently detected in the fish. None of the samples exceeded the maximum limits for acceptable levels of OCP residues. According to the data of average intake of Brazilian population, none of three species exceeded toxicological parameter. The investigated fishes are considered as safe for human consumption in regard to exposure of the studied OCPs. However, fish may be a intake source of OCP metabolites such as o-Cl-DDMU whose toxicity is still unknown.