Organophosphate esters in edible marine fish : Tissue-specific distribution, species-specific bioaccumulation, and human exposure
Copyright © 2024 Elsevier Ltd. All rights reserved..
Although growing evidences have proved the wide presence of organophosphate esters (OPEs) in marine environments, information on the tissue- and species-specific accumulation characteristics of these emerging pollutants in wild marine fish and the associated human exposure risks are currently lacking. Eleven OPEs were comprehensively investigated for their occurrence and tissue accumulation in 15 marine fish species and their living environment matrices (seawater and sediment) from the Beibu Gulf. The OPE concentrations were statistically higher in the liver (17.6-177 ng/g ww, mean 90.9 ± 52.1 ng/g ww) than those of muscle tissues (2.04-22.9 ng/g ww, mean 10.6 ± 5.6 ng/g ww). Tris (phenyl) phosphate (TPHP) was the most predominant OPE congeners in fish liver, and tris(2-chloropropyl) phosphate (TCIPP) and tris(2-chloroethyl) phosphate (TCEP) were dominant OPEs in the muscle. The results suggested different OPE profiles occurred between the tissues. The median logarithmic bioaccumulation factors (BAFs) of TPHP in the muscle and liver, and TCEP in muscle were higher than the regulatory benchmark value (BCF >3.7), indicating very strong bioaccumulation. Carnivorous benthic fish appear to potentially accumulate TPHP, while pelagic and omnivory fish tend to accumulate TCIPP and TCEP. Except for proteins and phospholipids, no significant relationships were found between OPE levels and other biological properties of the studied fish. The results implied that the species-specific accumulation of OPEs mainly attributed to habitat and feeding habit rather than the difference of biochemical composition among species. Metabolism may have a significant effect on the bioaccumulation of OPEs in marine fish. The dietary risks of OPEs for consumers in different age groups ranged from 2.02 × 10-4 to 3.01 × 10-3, indicating relatively low human exposure risks from fish consumption.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:345 |
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| Enthalten in: |
Environmental pollution (Barking, Essex : 1987) - 345(2024) vom: 15. März, Seite 123560 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Li [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 13.03.2024 Date Revised 13.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.envpol.2024.123560 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Although growing evidences have proved the wide presence of organophosphate esters (OPEs) in marine environments, information on the tissue- and species-specific accumulation characteristics of these emerging pollutants in wild marine fish and the associated human exposure risks are currently lacking. Eleven OPEs were comprehensively investigated for their occurrence and tissue accumulation in 15 marine fish species and their living environment matrices (seawater and sediment) from the Beibu Gulf. The OPE concentrations were statistically higher in the liver (17.6-177 ng/g ww, mean 90.9 ± 52.1 ng/g ww) than those of muscle tissues (2.04-22.9 ng/g ww, mean 10.6 ± 5.6 ng/g ww). Tris (phenyl) phosphate (TPHP) was the most predominant OPE congeners in fish liver, and tris(2-chloropropyl) phosphate (TCIPP) and tris(2-chloroethyl) phosphate (TCEP) were dominant OPEs in the muscle. The results suggested different OPE profiles occurred between the tissues. The median logarithmic bioaccumulation factors (BAFs) of TPHP in the muscle and liver, and TCEP in muscle were higher than the regulatory benchmark value (BCF >3.7), indicating very strong bioaccumulation. Carnivorous benthic fish appear to potentially accumulate TPHP, while pelagic and omnivory fish tend to accumulate TCIPP and TCEP. Except for proteins and phospholipids, no significant relationships were found between OPE levels and other biological properties of the studied fish. The results implied that the species-specific accumulation of OPEs mainly attributed to habitat and feeding habit rather than the difference of biochemical composition among species. Metabolism may have a significant effect on the bioaccumulation of OPEs in marine fish. The dietary risks of OPEs for consumers in different age groups ranged from 2.02 × 10-4 to 3.01 × 10-3, indicating relatively low human exposure risks from fish consumption | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bioaccumulation | |
| 650 | 4 | |a Human exposure | |
| 650 | 4 | |a Marine fish | |
| 650 | 4 | |a Organophosphate esters | |
| 650 | 4 | |a Species-specific | |
| 650 | 4 | |a Tissue distribution | |
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| 650 | 7 | |a tris(chloroethyl)phosphate |2 NLM | |
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| 650 | 7 | |a Organophosphates |2 NLM | |
| 650 | 7 | |a Phosphates |2 NLM | |
| 650 | 7 | |a Flame Retardants |2 NLM | |
| 650 | 7 | |a Phosphines |2 NLM | |
| 700 | 1 | |a Yan, Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Jiaxin |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Rui |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Lu |e verfasserin |4 aut | |
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