DBPapers
DOI: 10.5593/SGEM2016/HB33/S03.059

HEAVY METALS IN EDIBLE WILD MUSHROOMS COLLECTED FROM FORMER POLYMETALLIC ORES MINING AND SMELTING AREA (SLOVAKIA)

L. Harangozo, R. Stanovic
Friday 11 November 2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, SGEM Vienna GREEN Extended Scientific Sessions, www.sgemviennagreen.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-81-0 / ISSN 1314-2704, 2 - 5 November, 2016, Book 3 Vol. 3, 461-468pp, DOI: 10.5593/SGEM2016/HB33/S03.059

ABSTRACT

The aim of this study was to evaluate the level of wild edible mushroom contamination (Macrolepiota procera (Scop.) Singer, Boletus reticulatus Schaeff., Leccinum scabrum (Bull.) Gray, Cantharellus cibarius Fr., Suillus grevillei (Klotzsch) Singer, Russula olivacea (Schaeff.) Fr., Russula xerampelina (Schaeff.) Fr., Boletus badius (Fr.) Fr.), by risk elements (Hg, Cd, Pb, Zn, Cu). Mushrooms were collected from forest area in cadastral territory of Rudňany. This locality is situated 12 km from Spišská Nová Ves in the northern part of mountains called Slovenské Rudohorie. In the past, copper and silver ores were mined in this part of Slovak Republic. From the mid-19th century began to mine mercury from tetrahedrite and in smaller amount from cinnabar. Since the seventies of the 19th century began mining of siderite.
Collected samples of dried mushrooms were analyzed by flame atomic absorption spectrometry and atomic absorption spectrophotometry with graphite furnace. The high content of mercury, cadmium and also lead in edible part of collected mushrooms may present a significant risk of food chain contamination. The highest content of mercury (74.2 ± 86.7 mg.kg-1) as well as cadmium (1.55 ± 1.43 mg.kg-1) were determined in mushrooms Boletus reticulatus Schaeff.. The highest copper content (166 ± 43.7 mg.kg-1) was determined in mushrooms of Macrolepiota procera (Scop.) Singer. By comparison of total content of selected risk elements it can be concluded that the lowest accumulation of these metals was in Cantharellus cibarius Fr. mushroom specie.

Keywords: heavy metals, wild edible mushrooms, mercury, contamination

PAPER DOI: 10.5593/SGEM2016/HB33/S03.059, HEAVY METALS IN EDIBLE WILD MUSHROOMS COLLECTED FROM FORMER POLYMETALLIC ORES MINING AND SMELTING AREA (SLOVAKIA)

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