1 Supporting Information A joint application of spectroscopic, electrochemical and theoretical approaches in evaluation of the radical scavenging activity of 3-OH flavones and their iron complexes towards different radical species Jasmina M. Dimitrić Marković* a , Zoran S. Marković b , Igor A. Pašti a , Tanja P. Brdarić c , Ana Popović Bijelić a , Miloš Mojović a 0 1 2 3 4 5 6 7 0.25 0.30 0.35 0.40 0.45 0.50 0.55 2.15 A 403 nm C Fe /C M Fig. S1 Complex absorbance at 420 nm versus    M Fe concentrations 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 250 300 350 400 450 500 550 600 650  (nm) 403 nm 389nm A Fig. S2 Titration curves of morin with iron(III) at pH 7 Electronic Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2012