Contents and Health Risk Assessment of Elements in Three Edible Ectomycorrhizal Fungi (Boletaceae) from Polymetallic Soils in Yunnan Province, SW China
文献类型： 外文期刊
作者： Zhang, Ji 1 ; Baralkiewicz, Danuta 3 ; Hanc, Anetta 3 ; Falandysz, Jerzy 1 ; Wang, Yuanzhong 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650200, Yunnan, Peoples R China
2.Chinese Acad Sci, Key Lab Trop Plant Resources & Sustainable Use, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
3.Adam Mickiewicz Univ, Dept Trace Element Anal Spect Method, PL-61614 Poznan, Poland
4.Univ Gdansk, Environm Chem & Ecotoxicol, PL-80309 Gdansk, Poland
5.Univ Cartagena, Environm & Computat Chem Grp, Cartagena 130015, Colombia
关键词： Environment; Mushroom; Fungi; Food; Metal; Metalloid
期刊名称：BIOLOGICAL TRACE ELEMENT RESEARCH （ 影响因子：3.738； 五年影响因子：3.44 ）
ISSN： 0163-4984
年卷期： 2020 年 195 卷 1 期
页码：
收录情况： SCI
摘要： Ectomycorrhizal fungi (EcMF) can mobilize mineral elements directly from insoluble mineral sources and accumulate various metallic elements and metalloids from soils to their fruiting bodies. Mushrooms from genus Boletus and its related genus are one of the most important EcMF which are consumed worldwide as wild edible mushrooms. Yunnan province (China) is a high biodiversity of genus Boletus mushrooms but is also an area with potential elevated contents of toxic elements in soil. Total contents of As, Ag, Ba, Cd, Co, Cr, Cs, Cu, Li, Mn, Ni, Pb, Rb, Sb, Sr, Tl, U, V, and Zn in three edible EcMF species collected from five sites of Yunnan were analyzed by inductively coupled plasma mass spectrometer. The highest contents for As, Cd, and Pb were 7.8 mg kg(-1) dry weight (dw) in the caps of Butyriboletus roseoflavus, 3.4 mg kg(-1) dw in the caps of B. roseoflavus, and 6.4 mg kg(-1) dw in the stipes of Hemileccinum impolitum. Health risk assessment of As, Cd, and Pb indicated that the estimated exposure due to intakes of some mushroom samples from the sites were above the limits recommended by the Joint FAO/WHO Expert Committee on Food Additives. Since EcMF were considered as bioexclusors of Cr, higher Cr contents in the mushroom samples, compared with previous studies, indicated high geochemical background value of Cr in the sampling sites. Relatively higher V contents in mushrooms from family Boletaceae could also associate with the high V contents in Yunnan soil. Further work is needed to identify the places in Yunnan with geochemical anomalies resulting in high levels of toxic elements in EcMF.
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