Ascorbic AcidIronIntestinal AbsorptionAbsorptionIron IsotopesIron, DietaryIron RadioisotopesIron Chelating AgentsAscorbic Acid DeficiencyFerritinsIron OverloadFerrous CompoundsPhytic AcidBiological AvailabilityHepcidinsAnemia, Iron-DeficiencyDehydroascorbic AcidFerric CompoundsAnemia, HypochromicHemochromatosisScurvyIron CompoundsFood, FortifiedTransferrinHemoglobinsDuodenumIron-Binding ProteinsCation Transport ProteinsAntimicrobial Cationic PeptidesHemosiderinAntioxidantsDietFood AnalysisL-Gulonolactone OxidaseIron Metabolism DisordersReceptors, TransferrinIron Regulatory Protein 1EnterocytesDeferoxamineSodium-Coupled Vitamin C TransportersLiverIron Regulatory Protein 2Oxidation-ReductionHemeGrape Seed ExtractBreadPhenylhydrazinesPhlebotomyIron-Regulatory ProteinsCaco-2 CellsEdetic AcidCopperPolyphenolsRats, Mutant StrainsBloodlettingNutritional StatusZincAscorbate OxidaseMeatHematocritCeruloplasminSoybeans6-PhytaseFlourInfant FoodDietary SupplementsSiderosis2,3-Diketogulonic AcidBiological TransportTeaVegetable ProteinsErythropoiesisHydrolyzable TanninsAdministration, OralIntestinesCross-Over StudiesCerealsTriticumHydrogen-Ion ConcentrationDose-Response Relationship, DrugWhole-Body CountingIntestinal MucosaNutritive ValueSpectrophotometry, AtomicAnemiaSkin AbsorptionHomeostasisCitrus aurantiifoliaSiderophoresFree Radical ScavengersMilkKineticsDigitariaTime FactorsNonheme Iron ProteinsSpectrophotometryFecesPhenolsGlutathioneErythrocytes