QuercetinAntioxidantsFree Radical ScavengersPicratesPlant ExtractsOxidative StressLipid PeroxidationPhenolsFlavonoidsNyctaginaceaeReactive Oxygen SpeciesAscorbic AcidKynuramineBiphenyl CompoundsThiobarbituric Acid Reactive SubstancesVitamin EAcetylcysteineFlavanonesBaccharisFlavonolsGlutathioneCatechinMalondialdehydeOxidation-ReductionPhytotherapySuperoxide DismutaseGlutathione PeroxidaseCatalasePlant Components, AerialHydrogen PeroxideProbucolMelatoninCarotenoidsStilbenesFree RadicalsHydroxyl RadicalRats, WistarFruitProtective AgentsDose-Response Relationship, DrugMolecular StructureChromatography, High Pressure LiquidNeuroprotective AgentsCells, CulturedRats, Sprague-DawleyAnti-Inflammatory AgentsOnionsCell SurvivalApoptosisPolyphenolsBilirubinLipoproteins, LDLOxidantsLiverCell DeathSulfonic AcidsNF-kappa BNitric OxideMagnetic Resonance SpectroscopyDisease Models, AnimalNF-E2-Related Factor 2Time FactorsCell LineGlutathione ReductaseEndothelium, Vascularalpha-TocopherolGlycosidesBenzothiazolesbeta CaroteneDietary SupplementsPlant LeavesButylated HydroxytolueneLipid PeroxidesGlucosidesAnthocyaninsDietProtein CarbonylationCoumaric AcidsApigeninWinePlants, MedicinalPeroxiredoxinsChromansAntioxidant Response ElementsGallic AcidButylated HydroxyanisoleHesperidinBiological AvailabilityRutin