Abstract
The distribution of arsenic (As) and cadmium (Cd) in himematsutake was analyzed using scanning electron microscopy-energy dispersive X-ray spectrometer (SEM-EDX). The atomic percentage of the metals was confirmed by inductively coupled plasma-mass spectrometer (ICP-MS). Results show that the accumulation of As in pileus was higher than that in stipe by both SEM-EDX and ICP-MS analyses. The Cd level in pileus was higher than that in stipe by SEM-EDX analysis; whereas a higher level of Cd was found in stipe by ICP-MS analysis. Results of regression analysis showed that there was a positive correlation between the content of As and Cd in the piece samples by both SEM-EDX and ICP-MS methods. Results suggest that the SEM-EDX is one of the potential tools for rapid detection of metals, namely, As and Cd in himematsutake. Key words: Arsenic (As), cadmium (Cd), scanning electron microscopy-energy dispersive X-ray spectrometer (SEM-EDX), coupled plasma-mass spectrometer (ICP-MS), himematsutake.
Highlights
Agaricus brasiliensis Wasser mushroom is a native species originated in the São Paulo State, Brazil (Wasser et al, 2002; Wasser, 2014)
European beech (Fagus sylvatica L.) and Scots pine (Pinus sylvestris L.) forests in northern Brandenburg, and the results indicated that the amount of aluminum (Al), calcium (Ca), magnesium (Mg) and sulfur (S) analyzed by Scanning electron microscopy-energy dispersive X-ray spectrometer (SEM-EDX) were highly correlated with inductively coupled plasma-mass spectrometer (ICP-MS)
The results indicate that the accumulation of As in the pileus was higher by SEM-EDX analysis while similar results were obtained by using ICP-MS analysis
Summary
Agaricus brasiliensis Wasser mushroom is a native species originated in the São Paulo State, Brazil (Wasser et al, 2002; Wasser, 2014). Clinical studies indicated that himematsutake has antitumor activity and hypocholesterolemic effect and can lower the diastolic and systolic blood pressure and improve the liver function (Firenzuoli et al, 2008; Wani et al, 2010; Wasser, 2011, Biedron et al, 2012). Because of these pharmacological activities, himematsutake has high market value with an annual production of 40 tons of dehydrated mushrooms in Brazil during 2006 to 2007
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