Species-specific profiles and risk assessment of perfluoroalkyl substances in coral reef fishes from the South China Sea
| Autor: | Wei-Quan Wang, Zhenjun Qin, Xueyong Huang, Kefu Yu, Weibin Zeng, Chang-Gui Pan, Ruijie Zhang, Chaoshuai Wei, Yinghui Wang |
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| Rok vydání: | 2018 |
| Předmět: |
Pollution
China Environmental Engineering South china 010504 meteorology & atmospheric sciences Coral reef fish Health Toxicology and Mutagenesis media_common.quotation_subject 010501 environmental sciences Biology Risk Assessment 01 natural sciences chemistry.chemical_compound Animals Environmental Chemistry Health risk 0105 earth and related environmental sciences media_common Fluorocarbons geography geography.geographical_feature_category Coral Reefs Muscles Fatty Acids Fishes Public Health Environmental and Occupational Health General Medicine General Chemistry Coral reef biology.organism_classification Fishery Perfluorooctane Alkanesulfonic Acids chemistry Lethrinus olivaceus Cephalopholis urodelus Water Pollutants Chemical Environmental Monitoring |
| Zdroj: | Chemosphere. 191:450-457 |
| ISSN: | 0045-6535 |
| Popis: | The contamination profiles of sixteen perfluoroalkyl substances (PFAS) were examined in coral reef fish samples collected from the South China Sea (SCS) where no information about this topic was available in the literature. The results revealed that six PFAS were found in coral reef fish samples from the SCS. Perfluorooctane sulfonate (PFOS) was the most predominant PFAS contaminant detected in most of the samples, with the highest concentration value of 27.05 ng/g wet weight (ww) observed in Cephalopholis urodelus. Perfluoroundecanoic acid (PFUnDA) and Perfluorotridecanoic acid (PFTrDA) were the second and third dominant PFAS, respectively. Mean PFOS concentrations in muscle of seven coral reef fish varied from 0.29 ng/g ww in Lethrinus olivaceus to 10.78 ng/g ww in Cephalopholis urodelus. No significant linear relationship was observed between PFOS levels and coral reef fish traits (length, weight) collected in this region. Average daily intake of PFOS for the seven coral reef fishes ranged from 0.79 ng/kg/d for Lethrinus olivaceus to 29.53 ng/kg/d for Cephalopholis urodelus. The hazard ratio (HR) values for human consumption of PFOS-contaminated coral reef fishes ranged from 0.04 to 1.48, with Cephalopholis urodelus having the highest HR value of 1.18 (higher than 1) among the species, indicating frequent consumption of Cephalopholis urodelus might pose potential health risk to local population. The present work have provided the first hand data of PFAS in coral reef fishes in the SCS and indirectly demonstrated the existence of low level PFAS pollution in the SCS in China. |
| Databáze: | OpenAIRE |
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