Ascorbic AcidAntioxidantsAscorbic Acid DeficiencyDehydroascorbic AcidScurvyPicratesOxidative StressFree Radical ScavengersLipid PeroxidationVitamin EPlant ExtractsGlutathioneOxidation-ReductionSuperoxide DismutaseCatalaseReactive Oxygen SpeciesGlutathione PeroxidaseL-Gulonolactone OxidaseMalondialdehydePhenolsalpha-TocopherolThiobarbituric Acid Reactive SubstancesSodium-Coupled Vitamin C TransportersHydrogen PeroxideFree RadicalsBiphenyl CompoundsAcetylcysteineLipid PeroxidesAscorbate OxidaseOxidantsbeta CarotenePolyphenolsRutinGlutathione ReductaseSulfonic AcidsFlavonoids2,3-Diketogulonic AcidDietCarotenoidsFruitVitaminsNF-E2-Related Factor 2IronRats, Mutant StrainsButylated HydroxytolueneDose-Response Relationship, DrugDietary SupplementsChromatography, High Pressure LiquidHydroxyl RadicalRats, WistarLiverPeroxidesBenzothiazolesCopperUric AcidPlant LeavesThioctic AcidButylated HydroxyanisoleThiobarbituratesProbucolFerrous CompoundsCells, CulturedQuercetinPhosphorous AcidsChromansProtein CarbonylationTanninsBiological AvailabilityTime FactorsPhytotherapySulfhydryl CompoundsPeroxidasesPeroxiredoxinsAntioxidant Response ElementsSeleniumGlutathione DisulfideSuperoxidesChromaffin GranulesElectrochemistryOxalic AcidBeveragesCatechinAscorbate PeroxidasesDeoxyguanosineElectrodesVegetablesAntimutagenic AgentsHydroquinonesHydroxybenzoatesOxidoreductasesKineticsPhenylenediaminesFood AnalysisCell SurvivalTeaMalpighiaceaeAmidinesVitamin AIndicators and ReagentsF2-Isoprostanes