Reducing power and radical scavenging activity of four Parmeliaceae species |
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Authors: | Gordana Stojanović Igor Stojanović Vesna Stankov-Jovanović Violeta Mitić Danijela Kostić |
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Affiliation: | (1) Department of Biology, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000 Kragujevac, Serbia;(2) Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia |
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Abstract: | The methanol extracts of four Parmeliaceae lichens (Hypogymnia physodes, Evernia prunastri, Flavoparmelia caperata and Parmelia sulcata) were screened for antioxidant properties and total phenol content. The H. physodes extract was the most effective at reducing iron(III) and scavenging 1,1-diphenyl-2-picrylhydrazyl radicals, while the P. sulcata extract was the most effective in reducing molybdenum(VI) in an acidic medium. The E. prunastri and H. physodes extracts contained more Folin-Ciocalteu reagent reactive substances than the F. caperata and P. sulcata extracts. Significant activity of the H. physodes extract in DPPH and reducing Fe(III) assays suggest that this lichen can be considered as a potential source of antioxidants. |
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