Journal
MARINE POLLUTION BULLETIN
Volume 124, Issue 2, Pages 775-785Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2017.02.053
Keywords
Perfluoroalkyl acids (PFAAs); Seafood; Dietary exposure; Health risk; Bangladesh
Funding
- Heiwa Nakajima Foundation
- Graduate School of Environment and Information Sciences, Yokohama National University, Japan [65A0516]
- Grants-in-Aid for Scientific Research [16H02973] Funding Source: KAKEN
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This study reports the first evidence of the occurrence of PFAAs in commonly consumed seafood from the coastal area of Bangladesh. Fifteen target PFAAs in 48 seafood samples (5 finfish and 2 shellfish species) were measured by HPLC-MS/MS. The Sigma PFAAs in finfish and shellfish were in the range of 032-14.58 and 131-8.34 (ng/g wet weight), respectively. Perfiuorooctanesulfonate (PFOS) in finfish (0.1-3.86 ng/g ww), whereas perfluorooctanoic acid (PFOA) in shellfish (0.07-239 ng/g ww) were the most abundant PFAAs. The results were comparable with other studies worldwide, particularly from China, Spain, Sweden, and USA. The majority of monitored PFAAs did not show clear seasonal variation. However, seafood from the southeast area (Cox's Bazar and Chittagong) showed relatively higher levels of PFAAs. Moreover, the dietary exposure assessment revealed that the daily in-takes of PFAAs via seafood consumption were far less than the health-based guidelines, indicating low health risk for the Bangladeshi coastal residents. (C) 2017 Elsevier Ltd. All rights reserved.
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