Abstract
A new and fully validated QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) extraction and gas chromatography–tandem mass spectrometry methodology was developed and subsequently implemented for the quantification of 16 polycyclic aromatic hydrocarbons (PAHs) in wild (from Matosinhos Beach, Portugal) and commercial (from Ria de Arousa, Spain) mussels. The method proved to be robust, precise, and accurate, with recoveries ranging from 89.2 to 111.8 %. Total sums of 16 PAHs were 52.91 and 37.58 ng/g of wet weight for wild and commercial specimens, respectively. The three- to four-ring PAHs were the most abundant, and a mixture of petrogenic and pyrolytic sources were suspected to occur in both origin areas. Although the contamination levels were below the European regulated limits, specifically for commercial mussels (this despite wild specimens are also consumed), care should be taken in terms of human health, since we are still not aware of the low-dose versus long-term effects, even more in high-risk population groups.
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Acknowledgments
This study was financially supported by CESPU Project ref. 01-GCQF-CICS-10, ERDF-European Regional Development Fund, through the COMPETE-Operational Competitiveness Programme (COMPETE), and national funds through the Foundation for Science and Technology (FCT) by the project “PEst-C/MAR/LA0015/2013”. Additional support was also given by the Master of Marine Sciences–Marine Resources (ICBAS-U.Porto).
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Responsible editor: Hongwen Sun
Tânia Vieira Madureira and Susana Velhote contributed equally to this study.
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Madureira, T.V., Velhote, S., Santos, C. et al. A step forward using QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) based extraction and gas chromatography-tandem mass spectrometry—levels of priority polycyclic aromatic hydrocarbons in wild and commercial mussels. Environ Sci Pollut Res 21, 6089–6098 (2014). https://doi.org/10.1007/s11356-014-2510-y
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DOI: https://doi.org/10.1007/s11356-014-2510-y