Polyhalogenated Compounds (Halogenated Natural Products and POPs) in Sardine (Sardinops sagax) from the South Atlantic and Indian Oceans.
J Agric Food Chem
; 68(22): 6084-6091, 2020 Jun 03.
Article
em En
| MEDLINE
| ID: mdl-32378893
ABSTRACT
Halogenated natural products (HNPs) and persistent organic pollutants (POPs) were quantified in South African sardines (Sardinops sagax) from one site in the South Atlantic Ocean and one in the Indian Ocean. At both sites, HNPs [2,3,3',4,4',5,5'-heptachloro-1'-methyl-1,2'-bipyrrole (Q1), mixed halogenated compound 1 (MHC-1), 2,4,6-tribromoanisole (2,4,6-TBA), 2'-MeO-BDE 68 (BC-2), and 6-MeO-BDE 47 (BC-3)] were 1 order of magnitude higher concentrated than anthropogenic POPs [mainly polychlorinated biphenyls (PCBs) and dichlorodiphenyltrichloroethane (DDT), â¼3 ng/g lipids]. MHC-1 and Q1 were the major HNPs in the samples from both sites, contributing with up to 49 and 52 ng/g lipids, respectively. The same 1,1-dichloro-2,2-bis(4-chlorophenyl)ethane (p,p'-DDE)/PCB ratio suggested that the major POPs were evenly distributed at both sites. Different ratios of Q1/MHC-1 in the samples from the Indian (â¼21) and South Atlantic (â¼11) Oceans indicated that the occurrence of HNPs in seafood is difficult to predict and should be investigated more in detail. The PCB levels in sardines were found to pose no risk to human consumers, whereas HNPs could not be evaluated because of the lack of toxicological data.
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Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Poluentes Químicos da Água
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Contaminação de Alimentos
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Alimentos Marinhos
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Peixes
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Hidrocarbonetos Halogenados
Tipo de estudo:
Prognostic_studies
Limite:
Animals
Idioma:
En
Revista:
J Agric Food Chem
Ano de publicação:
2020
Tipo de documento:
Article
País de afiliação:
Alemanha