Radiation Physics and Engineering

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Radiological assessment of different varieties of pistachios produced in Iran

Document Type : Research Article

Authors

Department of Physics, Faculty of Science, Arak University, Arak, Iran

Abstract

Nuclear radiations are harmful to the human body. The main sources of nuclear radiation are the decay chains of U-238, U-235, and Th-232 and also some radionuclides as K-40, which are present in small amounts in the materials of the earth's crust, including plants, rocks, soil and water. Radioactive substances are transferred to the human body in a variety of ways, including plant and animal products. Therefore, it is very important to determine the amount of radioactive substances in food products. In this research, seven samples of pistachios with different types were collected from Tehran markets in Iran. In this project, ultra-pure germanium spectroscopy system model GCD30195 was used. The specific activities of Ra-226, Th-232 and K-40 varied from ‎<1.96‎‎ to 9.86, from 1.21 to 1.95, and from 317.22 to 382.80 Bq.kg-1.  The artificial radionuclide of Cs-137 in all samples was lower than minimum detectable value (MDA). Calculations of the radiological impact showed that consumption of pistachios would endanger human health. The results of this study also showed that the amount of natural radionuclides in pistachio cores is higher than pistachio shells.

Highlights

  • Measurement of natural radionuclides in some popular variety of pistachios.
  • Calculation of radiometric parameters for these varieties.
  • Comparison of them contains with other reported work from other countries.
  • Provided discussion about of radiological indices.
  • Comparing of radionuclides absorption in point of varieties

Keywords

References
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Radiation Physics and Engineering
Volume 4, Issue 1
January 2023
Pages 61-67
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History
  • Receive Date: 20 July 2022
  • Revise Date: 15 August 2022
  • Accept Date: 17 August 2022
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