Free RadicalsAntioxidantsFree Radical ScavengersHydroxyl RadicalPicratesOxidative StressLipid PeroxidationSuperoxide DismutaseElectron Spin Resonance SpectroscopyAscorbic AcidReactive Oxygen SpeciesOxidation-ReductionCatalasePlant ExtractsHydrogen PeroxideVitamin EGlutathioneMalondialdehydeGlutathione PeroxidaseBiphenyl CompoundsHydroxidesNitrogen OxidesPhenolsLipid PeroxidesThiobarbituric Acid Reactive SubstancesSuperoxidesCyclic N-OxidesOxidantsXanthine OxidaseSpin LabelsOxygenWorkSulfonic AcidsAcetylcysteineSpin TrappingRats, Wistaralpha-TocopherolFlavonoidsBenzothiazolesPolyphenolsAmidinesPeroxidesIronButylated HydroxytolueneDeferoxamineAntipyrineGlutathione ReductaseTime Factorsbeta CaroteneTioproninNF-E2-Related Factor 2CarotenoidsPeroxidasesNitric OxideProstatectomyKineticsRats, Sprague-DawleySulfhydryl CompoundsProtein CarbonylationDose-Response Relationship, DrugRutinChromatography, High Pressure LiquidPlant BarkCells, CulturedPhytotherapyMolecular StructureMitochondriaCell SurvivalDNA DamageCopperXanthineQuercetinHydroxybenzoatestert-ButylhydroperoxideChromansPlant LeavesGlutathione DisulfideLiverThioctic AcidReactive Nitrogen SpeciesButylated HydroxyanisoleCatechinDietary SupplementsThiobarbituratesFruitTanninsDeoxyguanosineAllopurinolAldehydesApoptosisRadiation-Protective AgentsPeroxidaseLuminescent MeasurementsPlants, MedicinalF2-IsoprostanesPulse RadiolysisGallic AcidRibonucleotide ReductasesModels, ChemicalIron Chelating Agents