Radionuclide Activity Concentrations of Agaricus bisporus and Pleurotus ostreatus Mushrooms Cultivated in Different Commercial Companies

Abstract

In this study it was determined the specific activities of some important radionuclides such as thorium (²³²Th), uranium (²³⁸U), potassium (⁴⁰K) and cesium (¹³⁷Cs), accumulated in Agaricus bisporus and Pleurotus ostreatus commercial mushrooms and in their compost. Additionally, the annual effective dose received by individuals was calculated. ¹³⁷Cs activity was not detected. In both mushroom species obtained from different firms; the specific activity concentration of ²³²Th, ²³⁸U, ⁴⁰K ranged from 2.1 ± 0.2 to 9.2 ± 0.7, 14.6 ± 1.3 to 26.6 ± 1.8 and 330.4 ± 18.3 to 739.7 ± 25.2 Bq/kg, respectively and in their compost   11.0 ± 0.6 to 19.1 ± 0.9, 27.8 ± 1.2 to 45.1 ± 2.7, 126.7 ± 5.2 to 304.5 ± 12.7 Bq/kg, respectively. Among the Agaricus species, the highest ²³²Th and ²³⁸U activity concentration was seen in the mushroom obtained from D firm. The highest ⁴⁰K activity concentration was detected in the mushroom provided from A firm. The lowest ²³⁸U and the the highest ²³²Th concentrations were in Pleurotus ostreatus.  In conclusion, all investigated parameters revealed that there was no any health risk in both mushroom species cultivated in different firms. 

Keywords

• Radioactivity,effective dose,cultivated mushroom

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