Free Radical ScavengersFree RadicalsAntipyrineHydroxyl RadicalCyclic N-OxidesAntioxidantsTioproninReactive Oxygen SpeciesReceptors, ScavengerSuperoxide DismutaseOxidative StressLipid PeroxidationPicratesScavenger Receptors, Class AHydrogen PeroxideHydroxidesCatalaseAcetylcysteineAscorbic AcidThioureaScavenger Receptors, Class BNitrogen OxidesMalondialdehydeSuperoxidesOxidation-ReductionNitrate Reductase (NADH)Spin LabelsImidazolinesDeferoxamineElectron Spin Resonance SpectroscopyXanthine OxidaseMelatonin