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Temporal trends (1999-2010) of perfluoroalkyl acids in commonly consumed food items
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM). Norwegian Institute for Air Resarch NILU, Norway.
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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2014 (English)In: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 188, 102-108 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to determine how dietary exposure to PFAAs has changed over the period when major production changes occurred. Archived samples (1999-2010) of eggs, milk and farmed rainbow trout were analyzed by ultra performance liquid chromatography coupled to tandem mass spectrometry. Statistically significant decreasing trends were observed for concentrations of perfluorooctane sulfonic acid (PFOS) and perfluorohexane sulfonic acid (PFHxS) in fish (p < 0.002 and p < 0.032, respectively) and eggs (p < 0.001 for both compounds). Concentrations of PFOS in fish and eggs decreased by a factor of 10 and 40, respectively. In eggs there was also a statistically significant decreasing trend in concentrations of perfluorooctanoic acid (PFOA). The results of this study demonstrate that PFAA concentrations in food items from agricultural food chains and aquatic food chains close to sources respond rapidly to changes in environmental emissions. Implications for the overall understanding of human exposure are discussed.

Place, publisher, year, edition, pages
2014. Vol. 188, 102-108 p.
Keyword [en]
Perfluoroalkyl acids, PFOS, PFOA, Dietary exposure, Temporal trend
National Category
Environmental Sciences Ecology
Research subject
Applied Environmental Science
Identifiers
URN: urn:nbn:se:su:diva-104140DOI: 10.1016/j.envpol.2014.01.026ISI: 000334001000014OAI: oai:DiVA.org:su-104140DiVA: diva2:722566
Note

AuthorCount:7;

Available from: 2014-06-09 Created: 2014-06-03 Last updated: 2017-05-08Bibliographically approved

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Johansson, Jana H.Berger, UrsVestergren, RobinCousins, Ian T.
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