期刊
FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE
卷 3, 期 1, 页码 1-6出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19440040903505232
关键词
metals analysis, AAS, ICP; heavy metals; metals; metals, nutritional; trace elements (toxic); mushrooms
资金
- Ministry of Science and Higher Education [DS-8250-4-0092-9]
This study aimed to provide basic data on the composition of metallic elements, including toxicologically important Cd and Hg, in popular and prized wild King Bolete mushrooms. We investigated the importance of soil substratum as a source of these metals. ICP-OES and CV-AAS were applied to determine the profile of Al, Ba, Ca, Cd, Cu, Fe, Hg, K, Mg, Mn, Na, Sr and Zn in caps and stipes of King Bolete mushroom and in the surface layer of soil (0-10 cm) from the Plocka Dale area of Poland. Hg, Cu, Cd, Zn, Mg and K exhibited bioconcentration factors (BCF) > 1. Specifically, Hg, Cu and Cd (mean BCFs for caps were 110, 19 and 16, respectively) were efficiently bioconcentrated by King Bolete, while other elements were bioexcluded (BCF < 1). Cadmium was present in the caps at mean levels of 5.5 +/- 2.4 mg kg(-1) dry weight (dw) and mercury at levels of 4.9 +/- 1.4 mg kg(-1) dw, both occurring at elevated concentrations in those King Bolete mushrooms surveyed.
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