| 光谱学与光谱分析 |
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| Determination and Correlation Analysis of Trace Elements in Boletus Tomentipes |
| LI Tao1, WANG Yuan-zhong2, ZHANG Ji2, ZHAO Yan-li2, LIU Hong-gao3* |
1. Yuxi Normal University, Yuxi 653100, China
2. Institute of Medicinal Plants, Yunnan Academy of Agricultural Sciences, Kunming 650223, China
3. Yunnan Agricultural University, Kunming 650201, China |
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Abstract The contents of eleven trace elements in Boletus tomentipes were determined by inductively coupled plasma atomic emission spectroscopy (ICP-AES). The results showed that the fruiting bodies of B. tomentipes were very rich in Mg and Fe (>100 mg·kg-1) and rich in Mn, Zn and Cu (>10 mg·kg-1). Cr, Pb, Ni, Cd, and As were relatively minor contents (0.1～10.0 mg·kg-1) of this species, while Hg occurred at the smallest content (<0.1 mg·kg-1). Among the determined 11 trace elements, Zn—Cu had significantly positive correlation (r=0.659, P<0.05), whereas, Hg—As, Ni—Fe, and Zn—Mg had significantly negative correlation (r=-0.672, -0.610, -0.617, P<0.05). This paper presented the trace elements properties of B. tomentipes, and is expected to be useful for exploitation and quality evaluation of this species.
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Received: 2010-10-10
Accepted: 2011-01-19
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Corresponding Authors:
LIU Hong-gao
E-mail: honggaoliu@126.com
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