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Trace Metal Levels in Edible Wild Fungi

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Trace Metal Levels in Edible Wild Fungi Int. J. Environ. Sci. Technol. (2013) 10:295–304 DOI 10.1007/s13762-012-0139-2 ORIGINAL PAPER Trace metal levels in edible wild fungi Z. Severoglu • S. Sumer • B. Yalcin • Z. Leblebici • A. Aksoy Received: 24 March 2011 / Revised: 1 May 2012 / Accepted: 11 July 2012 / Published online: 19 December 2012 Ó CEERS, IAU 2012 Abstract Metal levels (cadmium, cobalt, chromium, cop- 0.352 and nickel 3.645), R. luteolus (Pb 4.756) mg/kg dw per, iron, nickel, lead and zinc) of seventeen different edible (dry weight). As a result of the measurements, it was observed wild fungi species (Agaricus campestris, Calocybe gambosa, that metal uptake is related with the species of fungi and is Coprinus comatus, Hericium coralloides, Hydnum repan- also affected by pH and organic contents of the soil. dum, H. repandum var. rufescens, Lactarius deliciosus, L. salminocolor, Macrolepiota procera, Pleurotus ostreatus, Keywords Forest Á Heavy metals Á Mushroom Á Soil P. ostreatus var. columbinus, Ramaria aurea, R. stricta, Rhizopogon luteolus, Sparassis crispa, Suillus bovinus, Tricholoma terreum) growing in Bolu-Turkey were mea- Introduction sured by inductively coupled plasma optical emission spec- trocopy. The obtained data were analyzed with ‘‘statistical Great quantities of metallic (Cu, Fe, Hg, Mn, Ni, Zn) and package for the social sciences’’ statistics program. In addi- nonmetallic substances (Br, Cl, N, Na, I, P, S) are often tion, relation between metal concentrations in both soil and emitted into the atmosphere in different ways; through nat- fungi samples were investigated. The highest metal concen- ural sources (continental dust, volcanic dust and gas, sea trations in Bolu District, Turkey were measured in A. cam- spray and biogenic particles) or anthropogenic inputs pestris (cadmium 0.270, chromium 2.735 and zinc 7.683), (industries, agriculture, mining, combustion of fossil fuels, C. comatus (iron 160.12), M. procera (copper 15.990, cobalt etc.) (Celik et al. 2005; Baslar et al. 2009; Yasar et al. 2010). Some toxic elements (Al, As, Ba, Be, Cd, Pb, Hg, Os, Th, Va) affect soil pH and uptake of the nutrients from the soil, Z. Severoglu (&) Á S. Sumer which influence growth and development on terrestrial flora Department of Biology, Faculty of Science and Arts, (Vitorello et al. 2005). In addition, dust pollution may affect Marmara University, Goztepe, 34722 Istanbul, Turkey e-mail: [email protected] photosynthesis, respiration, transpiration and allows the penetration of some toxic gaseous pollutants (Kinalioglu Z. Severoglu et al. 2010). Today, it is obviously known that, some Faculty of Science, Department of Biology, organisms called ‘‘biomonitors’’ have better ability of Kyrgyzstan-Turkey Manas University, Bishkek, Kyrgyzstan accumulating certain metals and/or toxic elements and they B. Yalcin can be used by scientists for monitoring many trace elements Department of Chemistry, Faculty of Science and Arts, in their environments (Akguc et al. 2008; Yasar and Ozyigit Marmara University, Goztepe, 34722 Istanbul, Turkey 2009; Yasar et al. 2010). Nylander first reported the usability Z. Leblebici of biological materials to measure environmental effects of Department of Biology, Faculty of Science and Arts, atmospheric deposition in 1886, and then an increasing use Nevsehir University, 50300 Nevsehir, Turkey of many organisms as biomonitors has been seen in the scientific world (Aksoy and Sahin 1999; Akguc et al. 2010). A. Aksoy Department of Biology, Faculty of Science and Arts, It is well known that, all such cultivated fungi show Erciyes University, 38039 Kayseri, Turkey bioaccumulation of metal ions and thus, a considerable 123 296 Int. J. Environ. Sci. Technol. (2013) 10:295–304 attention has been focused on the bioaccumulation of There are some researches about uptake of heavy metals heavy metals in fruit bodies of fungi in recent years by fungi in urban lands and ruderals in Turkey and other (Abdel-Azeem et al. 2007; Ezzouhri et al. 2009; Amna countries (Lepsova and Mejestrik 1988; Kojo and Lodenius et al. 2010; Kalpana et al. 2011; Joshi et al. 2011). Today, 1989; Mandic et al. 1992; Sesli and Tuzen 1999; Svoboda with its large edible fungi potential, Turkey is becoming an et al. 2000; Isiloglu et al. 2001a, b; Demirbas 2002; Soylak important exporter of wild fungi species. The climate et al. 2005; Tuzen et al. 2003; Konuk et al. 2007; Falandysz character is especially mild and rainy in the west parts of et al. 2008; Jarzynska et al. 2011; Skrbic et al. 2012). The Black-Sea Region. The seasons are normally wet with samples collected in some of these studies have used rud- moderate temperatures (Akman 1999). These kinds of erals as control group with the assumption that these are climate properties are ideal for fungal growth especially in unpolluted. This study is important in terms of determining both spring and autumn. Although numerous studies heavy-metal levels in forests, which are considered free of (Isiloglu et al. 2001a, b; Demirbas 2002; Konuk et al. 2007; heavy metals and, therefore, can be taken as a reference. Kaya and Bag 2010) have also been carried out on heavy- metal contents of fungi in Turkey, some additional researches are required because of rich biodiversity of Materials and methods fungi species in Turkey. In comparison with the green plants, the fungi can build In this study, 17 fungi species were used to determine Cd, up large concentrations of certain trace elements. To warn Co, Cr, Cu, Fe, Ni, Pb and Zn levels in their bodies. In about the hazardous effects of heavy metals such as Cd, Hg addition, soil samples of forest upper soil layer (0–10 cm), and Pb, a great effort has been made to evaluate the pos- after removing superficial layer of organic detritus were sible danger for human health from ingestion of fungi also collected at appropriate sampling places. The soil is (Brzostowski et al. 2011; Skrbic et al. 2012). This would moderately drained and varies reddish brown podzol (Uyar suggest that fungi possess a very effective mechanism that and Cetin 2006). The fungi species were collected from enables them to uptake some trace elements from the various locations in Bolu (Aladaglar, Yedigoller, Abant), substrate (Falandysz et al. 2008; Jarzynska et al. 2011). Turkey in 2009 vegetation period (Fig. 1). In this study, the This study is aimed to determine Cd, Co, Cr, Cu, Fe, Ni, forested area that fungi samples were collected has primary Pb and Zn contents of the fruit bodies of 17 fungi species importance for wooden plant industry of Turkey. originally found in Bolu Region, Turkey. Fungi samples The family and species names, trophic status, habitats and were collected in 2009 and determination of the heavy- some other properties of studied fungi species include metal concentrations has been performed by inductively Agaricus campestris, Calocybe gambosa, Coprinus comatus, coupled plasma optical emission spectroscopy (ICP-OES). Hericium coralloides, Hydnum repandum, H. repandum var. Fig. 1 A map of the study area 123 Int. J. Environ. Sci. Technol. (2013) 10:295–304 297 Fig. 2 The studied fungi 123 298 123 Table 1 Some properties of studied fungi Scientific names Order Family Trophic status Habitat Color Odor Other features Hydnum repandum var. Cantharellales Hydnaceae Mycorrhizal In meadows and coniferous wood Salmon-pink Not Taste; bitter after a rufescens distinctive delay, edible Hydnum repandum Cantharellales Hydnaceae Mycorrhizal In meadows and coniferous wood Cream sometimes with yellowish Not Taste: bitter after a tinge distinctive delay, edible Lactarius salminocolor Russulales Russulaceae Mycorrhizal Soil, under Fir Wholly ochraceous-orange Not Milk white, edible distinctive Sparassis crispa Sparassidaceae Cantharellales Parasitic The base of conifers Cream, pallid ochraceous or buff Sweetish, Taste not distinctive, pleasant edible Ramaria aurea Gomphales Ramariaceae Saprotrophic Broad-leaf woods Saffron-yellow Taste mild Edible Agaricus campestris Agaricales Agaricales Saprotrophic Soil, in pastures With creamy-white cap ant stem Not Edible distinctive Pleurotus ostreatus Lamellate Lentinaceae Saprotrophic Leaf trees Bluish-grey or brown oyster-shaped Not Edible cap pale gills distinctive Pleurotus ostreatus var. Lamellate Lentinaceae Saprotrophic Leaf trees Bluish-grey or brown oyster-shaped Not Edible columbinus cap pale gills distinctive Macrolepiota procera Agaricales Agaricales Saprotrophic Grassy woodlands and meadows Brown- beige Not Edible distinctive Suillus bovinus Boletales Strobilomycetaceae Mycorrhizal Soil, under conifers Odor of fruit Not Edible distinctive Coprinus comatus Agaricales Coprinaceae Saprotrophic Soil, in short grass Cap white Slightly Edible acidic Rhizopogon luteolus Boletales Rhizopogonaceae Ectomycorrhizal Sandy soil Not distinctive Not Edible Int. J. Environ. Sci. Technol. (2013) 10:295–304 distinctive Lactarius deliciosus Russulales Russulaceae Mycorrhizal Under conifers Pallid buff Faint of fruit Taste mild, edible Tricholoma terreum Agaricales Tricholomataceae Mycorrhizal Soil, in pastures; soil, conifers and Not distinctive Not Edible broad-leaf distinctive Calocybe gambosa Agaricales Tricholomataceae Mycorrhizal Mixed wood and pastures Cream Taste of meal Edible Hericium coralloides Hericiales Hericiaceae Saprotrophic Broad-leaf woods White Not Edible distinctive Ramaria stricta Gomphales Ramariaceae Saprotrophic Broad-leaf woods Ochraceous tinged buff Sweat or Edible earthy Int. J. Environ. Sci. Technol. (2013) 10:295–304 299 rufescens, Lactarius deliciosus,
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