Ascorbic AcidAscorbic Acid DeficiencyDehydroascorbic AcidScurvyAntioxidantsL-Gulonolactone OxidaseSodium-Coupled Vitamin C TransportersAscorbate Oxidase2,3-Diketogulonic AcidOxidation-ReductionRats, Mutant StrainsFree Radical ScavengersGlutathionePhosphorous AcidsIronPicratesVitamin Ealpha-TocopherolLipid PeroxidationChromaffin GranulesDietOxalic AcidFerrous CompoundsLipid PeroxidesFree RadicalsBiological AvailabilityElectrodesElectrochemistryOxidative StressChromatography, High Pressure LiquidCopperChromaffin SystemMalondialdehydeRutinChlorobutanolThiobarbituratesDose-Response Relationship, DrugVitaminsHydrogen PeroxideLiverFood, FortifiedMalpighiaceaeOrganic Anion Transporters, Sodium-DependentGuinea PigsUric AcidSugar Alcohol DehydrogenasesIron, DietaryKineticsPhytic AcidIndicators and ReagentsAniline HydroxylasePlant ExtractsPeroxidesDopamine beta-HydroxylaseAdrenal MedullaThiobarbituric Acid Reactive SubstancesPhenylenediaminesTime FactorsHydrogen-Ion ConcentrationFruitOxalatesHydroxyprolinePharmaceutical Solutions