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Distribution and possible dietary intake of radioactive ^sup 137^Cs, ^sup 40^K and ^sup 226^Ra with the pantropical mushroom Macrocybe gigantea in SW China
There is scarcity of data on contamination with radiocesium (134/137Cs) of edible mushrooms from the Southwestern Asia. This study aimed to get insight into activity concentration of artificial nuclides ...Cs and natural 40K and 226Ra in mushrooms from Yunnan province, which is major producer in China. The specimens of pantropical mushroom Macrocybe gigantea were collected from the wild and from a farm across Yunnan land in 2012-2013 and analyzed using gamma spectrometry with hyperpure germanium coaxial detector (HPGe). M. gigantea showed low activity concentrations of ...Cs (median value for dehydrated caps was 4.5 Bq kg... and 5.4 Bq kg... for stipes) while ...Cs was not detected. Natural radionuclide 40K showed 2-3 orders of magnitude greater activity concentration compared to artificial ...Cs in M. gigantea. The activity concentrations of ...Ra from uranium and radium decay series for most of the consignments of M. gigantea examined were below the method's limit of detection. The nominal effective dose equivalent for the Yunnan people from the dietary intake of ...Cs was assessed to be below 0.01 ...Sv per annum on the average, and that from 40K to be below 0.1 ...Sv per annum. Data available for the first time on activity concentrations of ...Cs in wild-grown saprobic mushroom from this region of Asia suggest low pollution with radiocesium from fallout there. Hence, the likely health risks from intake of ...Cs from cooked M. gigantea are in practice of mushrooms absent for human consumers there. Because of abundance of mushrooms in Yunnan and high significance of the region as producer and exporter a wider study using many species is necessary to fill a gap on possible radioactive contamination and risk to mushroom consumers. (ProQuest: ... denotes formulae/symbols omitted.)
Distribution and possible dietary intake of radioactive ^sup 137^Cs, ^sup 40^K and ^sup 226^Ra with the pantropical mushroom Macrocybe gigantea in SW China
There is scarcity of data on contamination with radiocesium (134/137Cs) of edible mushrooms from the Southwestern Asia. This study aimed to get insight into activity concentration of artificial nuclides ...Cs and natural 40K and 226Ra in mushrooms from Yunnan province, which is major producer in China. The specimens of pantropical mushroom Macrocybe gigantea were collected from the wild and from a farm across Yunnan land in 2012-2013 and analyzed using gamma spectrometry with hyperpure germanium coaxial detector (HPGe). M. gigantea showed low activity concentrations of ...Cs (median value for dehydrated caps was 4.5 Bq kg... and 5.4 Bq kg... for stipes) while ...Cs was not detected. Natural radionuclide 40K showed 2-3 orders of magnitude greater activity concentration compared to artificial ...Cs in M. gigantea. The activity concentrations of ...Ra from uranium and radium decay series for most of the consignments of M. gigantea examined were below the method's limit of detection. The nominal effective dose equivalent for the Yunnan people from the dietary intake of ...Cs was assessed to be below 0.01 ...Sv per annum on the average, and that from 40K to be below 0.1 ...Sv per annum. Data available for the first time on activity concentrations of ...Cs in wild-grown saprobic mushroom from this region of Asia suggest low pollution with radiocesium from fallout there. Hence, the likely health risks from intake of ...Cs from cooked M. gigantea are in practice of mushrooms absent for human consumers there. Because of abundance of mushrooms in Yunnan and high significance of the region as producer and exporter a wider study using many species is necessary to fill a gap on possible radioactive contamination and risk to mushroom consumers. (ProQuest: ... denotes formulae/symbols omitted.)
Distribution and possible dietary intake of radioactive ^sup 137^Cs, ^sup 40^K and ^sup 226^Ra with the pantropical mushroom Macrocybe gigantea in SW China
Jerzy Falandysz (Autor:in) / Ji Zhang / Tamara Zalewska / Anna Apanel / Yuanzhong Wang / Anna Wiejak
2015
Aufsatz (Zeitschrift)
Englisch
USA , Recht , Zeitschrift , Datenverarbeitung
Distribution and possible dietary intake of radioactive
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