Radiocaesium pollution of fly agaric Amanita muscaria in fruiting bodies decreases with developmental stage

Jerzy Falandysz , Michał Saniewski , Tamara Zalewska , Ji Zhang

Abstract

Amanita muscaria collected from a forested area in northern Poland in 2015 were analysed for activity concentrations of 137Cs and 40K. Total K concentration values were calculated from 40K data. Mushrooms were grouped in six fruiting bodies size classes regarding to their developmental stage. The 137Cs activity concentrations declined in A. muscaria as the fruiting bodies maturated. The contents of 40K/K activity remained constant in caps at different developmental stage, while for stipes an increase was around twofold (40K from 925 ± 55 Bq kg−1 dry biomass in the baby individuals and 1600 ± 63–1700 ± 53 Bq kg−1 dry biomass in two oldest classes). A. muscaria is a weak accumulator of 137Cs, while a steep drop in activity concentrations of this nuclide in the fruiting bodies as they maturate has not been reported earlier for mushrooms. Clearly, a fate of 137Cs in A. muscaria is highly different from that of 40K/K that is an essential element to fungi. In parallel, an observed increase in the content of 40K/K in stipes of fruiting bodies with developmental state can be related to its ‘hardening’ and more fibrous nature with age and basic function to support the cap, but this has not been studied.
Autor Jerzy Falandysz (WCh / KChiRŚ / PTiOR)
Jerzy Falandysz
- Pracownia Toksykologii i Ochrony Radiologicznej
, Michał Saniewski - [Institute of Meteorology and Water Management Maritime Branch Gdynia]
Michał Saniewski
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, Tamara Zalewska - [Institute of Meteorology and Water Management Maritime Branch Gdynia]
Tamara Zalewska
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, Ji Zhang - [Yunnan Agricultural Academy]
Ji Zhang
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Tytuł czasopisma/seriiIsotopes in Environmental and Health Studies, ISSN 1025-6016, (A 20 pkt)
Rok wydania2019
Tom55
Nr3
Paginacja317-324
Objętość publikacji w arkuszach wydawniczych0.5
Słowa kluczowe w języku angielskimCaesium-137, potassium-40, mushrooms, natural radioactivity, radioactive pollution
Klasyfikacja ASJC1604 Inorganic Chemistry; 2300 General Environmental Science; 2304 Environmental Chemistry
DOIDOI:10.1080/10256016.2019.1609961
Języken angielski
Punktacja (całkowita)20
PunktacjaPunktacja MNiSW = 20.0, 14-08-2019, ArticleFromJournal
Wskaźniki publikacji Cytowania Scopus = 0; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 0.735; Impact Factor WoS: 2017 = 1.527 (2) - 2017=1.473 (5)
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