Study of silver, selenium and arsenic concentration in wild edible mushroom Macrolepiota procera, health benefit and risk
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Đurđić, Slađana Z.
Tešić, Živoslav Lj.
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The content and bioaccumulation of trace (Ag, Se, As) and major elements (Ca, Mg, Na and K) in wild edible mushroom Macrolepiota procera and its corresponding soil substrates, collected from five sites in the Rasina region in central Serbia, were investigated. The content of Ag, As and Se was determined by inductively coupled plasma mass spectrometer (ICP-MS) while the amount of Ca, Mg, Na and K was determined by inductively coupled plasma optical emission spectrometer (ICP-OES). The concentrations of major elements in the mushrooms were at typical levels. As far as trace elements are concerned, M. procera bioaccumulates silver although all samples were collected from unpolluted sites. It was found that the content of Ag depended on the geographical origin and the density of fruiting body on the certain site. Principal component analysis distinguished the mushroom samples from different geographical areas and revealed the influence of soil composition on metal content in fruiting bodie...s. Also, a linear regression correlation test was performed to investigate correlations between Ag, Cd, Se, Pb and As in caps and stipes at different geographic sites separately. In addition, our results indicated that M. procera could serve as a good dietary source of Mg, K and Se. The content of Ag and As was low, so it could not pose a health risk for consumers.
Keywords:Macrolepiota procera / Silver / Selenium / Arsenic / Health risk / Dietary intake
Source:Environmental Science and Pollution Research, 2016, 23, 21, 22084-22098
- Springer Heidelberg, Heidelberg
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- Supplementary material: http://cherry.chem.bg.ac.rs/handle/123456789/3617