The content of heavy metals in the leaves of Hypericum perforatum L. on serpentinite soil in Serbia | Teski metali u listovima Hypericum perforatum L. na serpentinitskim zemljistima Srbije
2008
Obratov-Petkovic, D., Univerzitet u Beogradu, Beograd (Serbia). Sumarski fakultet | Bjedov, I., Univerzitet u Beogradu, Beograd (Serbia). Sumarski fakultet | Belanovic, S., Univerzitet u Beogradu, Beograd (Serbia). Sumarski fakultet
St John's wort is one of the best known and used medicinal plant. The demands for St John's wort in Serbia is still supplied by the collection of native plants. Therefore it was necessary to examine the concentration of heavy metals in the soil and in plant material on serpentinites and to assess the potential safe harvesting and further utilisation of this plant species. The research was performed on three serpentinite sites in Serbia: Zlatibor, Divcibare and Goc. It was determined that the soils of all three localities had increased concentrations of nickel, chromium and manganese. The St John's wort plant material (leaves) showed the increased concentrations of iron, nickel and chromium. It was concluded that St John's wort was a tolerant species regarding to heavy metal content, and it was recommended to avoid its harvesting on the investigated localities.
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