Tissue distribution and bioaccumulation of legacy and emerging per- and polyfluoroalkyl substances (PFASs) in edible fishes from Taihu Lake, China

被引：73
作者：
Chen, Meng [1 ,2 ]
Zhu, Lingyan [2 ]
Wang, Qiang [2 ]
Shan, Guoqiang [2 ]
机构：
[1] Shandong Normal Univ, Inst Environm & Ecol, Jinan 250014, Shandong, Peoples R China
[2] Nankai Univ, Coll Environm Sci & Engn, Key Lab Pollut Proc & Environm Criteria,Minist Ed, Tianjin Key Lab Environm Remediat & Pollut Contro, Tianjin 300071, Peoples R China
来源：
ENVIRONMENTAL POLLUTION | 2021年 / 268卷
基金：
中国博士后科学基金;
关键词：
Emerging PFASs; Bioaccumulation; Tissue distribution; Health risk assessment; PFOS precursors; ISOMER-SPECIFIC BIOTRANSFORMATION; PERFLUOROALKYL ACIDS PFAAS; PERFLUORINATED COMPOUNDS; FOOD-WEB; PERFLUOROOCTANE SULFONAMIDE; FLUORINATED ALTERNATIVES; TROPHIC MAGNIFICATION; CARBOXYLIC-ACIDS; PHOSPHINIC ACIDS; SULFONIC-ACIDS;
D O I：
10.1016/j.envpol.2020.115887
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Tissue distribution of legacy and emerging per-and polyfluoroalkyl substances (PFASs) in several kinds of edible fishes collected from Meiliang bay of Taihu Lake, China were investigated and the related human health risks were assessed. Perfluorooctanesulfonate (PFOS), perfluorooctanesulfonamide (PFOSA) and 6:2 fluorotelomer phosphate diester (6:2 diPAP) were the most abundant legacy perfluoroalkyl acid (PFAA), PFOS related precursor (PreFOS), and the emerging PFASs in all fish tissues, respectively. Similar to the legacy PFAAs, 6:2 diPAP and 6:6 perfluorophosphinate (6:6 PFPiA) had the highest levels in the fish liver, whereas the highest level of PFOSA was in kidney, which might be due to its intensive transformation in fish liver. The concentrations of PFASs were generally positively correlated with the trophic levels. The profiles of PFASs were significantly different among bitterling, crucian and other fish, which might be related to their different metabolic capacities. Bioaccumulation factors (BAFs) of PreFOSs, 6:2 diPAP, and 6:6 PFPiA were lower than those of PFAAs with the same number of perfluorinated carbons. The calculated hazard ratios (HR) of PFOS (Range: 0.0100-0.655) and perfluorooctanoic acid (PFOA) (<0.00200) in all fish muscles were less than 1.0. However, the HR of the Sigma PFASs in crucian muscle was 1.04, which implied that frequent consumption of crucian collected from Meiliang Bay might pose potential risks to human health. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：9
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