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Radiological assessment and dose evaluation from natural radionuclides in common pasta
Hossein Sadeghi1, Reza Pourimani2, Mohadese Feyzi2
1Department of Physics, Faculty of Sciences, Arak University, Arak, 38156-8-8349, Iran. H-Sadeghi@araku.ac.ir.
This study measured radionuclides in pasta, finding levels below safety limits. Consumers face no significant radiological health risk from these popular food products.
Area of Science:
- Food safety
- Radiological health
- Environmental radioactivity
Background:
- Radionuclide contamination in food is a public health concern.
- Pasta is a widely consumed staple food, necessitating safety assessments.
- Understanding radionuclide levels in food ensures consumer protection.
Purpose of the Study:
- To quantify specific activities of key radionuclides (226Ra, 232Th, 40K, 137Cs) in pasta.
- To assess potential health risks by calculating annual effective dose (AED) and consumption rates (CR).
- To ensure pasta safety for consumers in Arak city.
Main Methods:
- Gamma-ray spectrometry using a high-purity germanium (HPGe) detector.
- Analysis of 12 pasta samples collected from local food stores.
- Calculation of radiological risk indices.
Main Results:
- Radionuclide levels for 226Ra, 232Th, and 40K were within safe ranges.
- 137Cs activity was below the minimum detectable activity in all samples.
- Average AED was 9.31 µSv/y and average CR was 491 kg/y.
Conclusions:
- Radiological parameters in analyzed pasta samples are below international safety standards.
- No significant radiological health risks were identified for consumers.
- The study confirms the safety of popular pasta products regarding radionuclide content.
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