Organochlorine pesticides and polybrominated diphenyl ethers in giant African snail from the Niger Delta, Nigeria: Implications for dietary exposure and health risk assessment

被引:0
作者
Iwegbue, Chukwujindu M. A. [1 ,2 ]
Okosun, Uwomano [1 ]
Overah, Loretta C. [1 ]
Ogwu, Ijeoma F. [1 ,2 ]
Odali, Eze W. [1 ,2 ]
Martincigh, Bice S. [3 ]
机构
[1] Delta State Univ, Dept Chem, PMB 1, Abraka, Nigeria
[2] Delta State Univ, Adv Res Ctr, PMB 1, Abraka, Nigeria
[3] Univ KwaZulu Natal, Sch Chem & Phys, Westville Campus,Private Bag X54001, ZA-4000 Durban, South Africa
关键词
OCPs; PBDEs; Dietary intake; Land mollusca; Nigeria; POLYCHLORINATED-BIPHENYLS PCBS; PERSISTENT ORGANIC POLLUTANTS; HALOGENATED FLAME RETARDANTS; INDOOR DUST; COMPOSITIONAL PROFILES; SPATIAL-DISTRIBUTION; AGRICULTURAL SOILS; FOOD-WEB; PBDES; AREA;
D O I
10.1016/j.fct.2024.115084
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The concentrations of organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs) were evaluated in snails from different locations in the Niger Delta of Nigeria to provide data about their sources and possible risk to humans from the consumption of snails. The OCP and PBDE concentrations in snail samples ranged from 0.31 to 12.2 ng g- 1 and 0.71 to 10.9 ng g- 1, respectively. The distribution patterns indicated the dominance of chlordanes and penta-BDEs for OCPs and PBDEs, respectively. The hazard index and total cancer risk values for human exposure to OCPs and PBDEs through consumption of these snails were less than 1 and 10-6 (acceptable risk values), respectively, indicating unlikely adverse health effects. The isomer ratios of OCPs in these snails reflected both historical and recent contamination, while the distribution patterns of PBDEs in these snails indicated sources linked to the use of the penta-BDE and octa-BDE formulations rather than the decaBDE mixture in this region.
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页数:11
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