Radiochemical characterization of algae products commercialized for human consumption
Abstract
Natural radionuclides and Cs were determined by alpha (U, U, Th,Po,Th, and Th) and gamma spectrometry (Cs, K, Ra, Pb, and Ra via Ac) in 14 dried seaweeds commercialized for human nutrition in Italy. The study was carried out in order to provide information on the concentrations of natural and artificial radionuclides. Cesium-137 (Cs) concentrations in all analyzed samples were always <2.0 Bq kg (dry weight), while the naturally occurring radionuclide concentrations were detectable in all the samples and significantly different in the analyzed seaweeds. Potassium-40 (K) showed a mean activity of 894 Bq kg with a range of 14.1-3,256 Bq kg. The mean of activity for Po was 5.1 Bq kg with a range of 1.5-13.6 Bq kg. The mean of activity for Pb was 8.9 Bq kg with a range of 2.9-25.7 Bq kg. The mean of U and Ra activity concentration was 4.7 and 8.4 Bq kg with a range of 0.1-27.7 and 3.2-24.6 Bq kg, respectively. The mean activity concentrations for Th, Th, and Ra were 0.69, 3.0, and 6.6 Bq kg with ranges of 0.05-3.39, 0.24-15.7, and 0.5-35.6 Bq kg, respectively. Radionuclide activity concentrations were within ranges reported in the scientific literature. The committed effective dose due to all the radionuclides analyzed, from ingestion of 1 kg y of seaweeds, accounts for 0.66% of the natural radiation exposure in Italy.
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Human consumption of algae food contains some different concentrations of radiochemical elements.
“According to a study by Desideri et al. [69], human consumption of algae food contains some different concentrations of radiochemical elements.”
From Current Status and Future Trends in Removal, Control, and Mitigation of Algae Food Safety Risks for Human Consumption (2022) · cites this paper as [69]
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- Authors
- Desideri, D., Cantaluppi, C., Ceccotto, F., Meli, M. A., Roselli, C., & Feduzi, L.
- Affiliations
- University of Urbino (IT)
- Corresponding author
- Desideri, Donatella
- Venue
- Health Physics
- Published
- 2016-09
- Volume
- 111
- Issue
- 3
- Pages
- 256-264
- ISSN
- 0017-9078 (ISSN-L)
- OpenAlex
- W2517596797
- Cited by
- 14
- References
- 20
- Citations by year
- 2025: 1 · 2024: 2 · 2023: 2 · 2022: 2 · 2021: 1 · 2018: 1 · 2017: 4 · 2016: 1
- FWCI
- 3.32
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Health Physics (publishedVersion)
- PubMed (publishedVersion)
- CINECA IRIS Institutional Research information system (University of Urbino) (submittedVersion)
- Topics
- Health Sciences › Health Professions › Radiological and Ultrasound Technology › Radioactivity and Radon Measurements
- Physical Sciences › Environmental Science › Global and Planetary Change › Radioactive contamination and transfer
- Life Sciences › Agricultural and Biological Sciences › Food Science › Radiation Effects and Dosimetry
- Keywords
- seaweed, natural radionuclides, cesium-137, potassium-40, radium-224, radium-226, uranium, thorium, polonium-210, lead-210, committed effective dose, dietary radiation exposure, food contamination
- MeSH terms
- Radiation Exposure, Food Analysis, Food Contamination, Radioactive, Humans, Italy, Radiation Dosage, Radioisotopes, Radiometry, Seaweed, Sensitivity and Specificity, Reproducibility of Results, Food Safety
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