Superoxide DismutaseAntioxidantsCatalaseSuperoxidesOxidative StressGlutathione PeroxidaseFree Radical ScavengersReactive Oxygen SpeciesHydrogen PeroxideLipid PeroxidationFree RadicalsMalondialdehydeParaquatOxidation-ReductionGlutathioneCopperXanthine OxidaseCyclic N-OxidesAscorbic AcidThiobarbituric Acid Reactive SubstancesManganesePlant ExtractsGlutathione ReductasePicratesMetalloporphyrinsDitiocarbOxidantsOxygenNADPH OxidaseVitamin EAmyotrophic Lateral SclerosisNitric OxideHydroxyl RadicalMitochondriaSpin LabelsRats, WistarLipid PeroxidesNitroblue TetrazoliumZincRats, Sprague-DawleyHydroxidesXanthinePhenolsCells, CulturedAcetylcysteinePeroxidasesPeroxynitrous AcidIronElectron Spin Resonance SpectroscopyProtein CarbonylationNitratesEndothelium, VascularNeutrophilsErythrocytesGene Expression Regulation, EnzymologicPeroxidaseDisease Models, AnimalLiverDose-Response Relationship, Drug