Scanning electron microscopy-energy dispersive X-ray spectrometer (SEM-EDX) detection of arsenic and cadmium in himematsutake mushroom

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 accumul...

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Bibliographic Details
Published in:African journal of biotechnology 2015-03, Vol.14 (10), p.878-887
Main Authors: Chun-Yen, Liu, Chao-Jen, Wang, Wen-Chuan, Chung, Chien, Chu, Wan-Yu, Lin, Wen-Hsin, Chung
Format: Article
Language:English
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Summary: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.
ISSN:1684-5315
1684-5315
DOI:10.5897/AJB2014.14250