Inorganic Arsenic in Seafood: Does the Extraction Method Matter?
Abstract
Nine different extraction methods were evaluated for three seafood samples to test whether the concentration of inorganic arsenic (iAs) determined in seafood is dependent on the extraction method. Certified reference materials (CRM) DOLT-4 (Dogfish Liver) and TORT-2 (Lobster Hepatopancreas), and a commercial herring fish meal were evaluated. All experimental work described here was carried out by the same operator using the same instrumentation, thus eliminating possible differences in results caused by laboratory related factors. Low concentrations of iAs were found in CRM DOLT-4 (0.012±0.003mgkg(-1)) and the herring fish meal sample (0.007±0.002mgkg(-1)) for all extraction methods. When comparing the concentration of iAs in CRM TORT-2 found in this study and in the literature dilute acids, HNO3 and HCl, showed the highest extracted iAs wheras dilute NaOH (in 50% ethanol) showed significantly lower extracted iAs. However, most other extraction solvents were not statistically different from one another.
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Toxic effects of organic and inorganic arsenic on human bodies are different.
“Due to the toxic effects of organic and inorganic arsenic on the human bodies are different [93].”
From Current Status and Future Trends in Removal, Control, and Mitigation of Algae Food Safety Risks for Human Consumption (2022) · cites this paper as [93]
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- Authors
- Pétursdóttir, Á. H., Gunnlaugsdóttir, H., Krupp, E. M., & Feldmann, J.
- Affiliations
- University of Aberdeen (GB)
- Matís (Iceland) (IS)
- Corresponding author
- Feldmann, Jörg
- Venue
- Food Chemistry
- Publisher
- Elsevier BV
- Published
- 2014-05
- Volume
- 150
- Pages
- 353-359
- ISSN
- 0308-8146 (ISSN-L)
- OpenAlex
- W2074318064
- Cited by
- 48
- References
- 23
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 3 · 2023: 6 · 2022: 3 · 2021: 2 · 2020: 4 · 2019: 1 · 2018: 6 · 2017: 3 · 2016: 9 · 2015: 5 · 2014: 1 · 2013: 1
- FWCI
- 4.25
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Food Chemistry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Icelandic Centre for Research
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Arsenic contamination and mitigation
- Physical Sciences › Chemistry › Analytical Chemistry › Analytical chemistry methods development
- Life Sciences › Agricultural and Biological Sciences › Food Science › Food and Agricultural Sciences
- Keywords
- inorganic arsenic, seafood, sample extraction methods, extraction solvent comparison, certified reference materials, lobster hepatopancreas, acid extraction, sodium hydroxide extraction, arsenic determination
- MeSH terms
- Animals, Arsenic, Food Contamination, Chemical Fractionation, Seafood
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