Ascorbic AcidIronIntestinal AbsorptionAbsorptionIron IsotopesIron RadioisotopesIron, DietaryIron Chelating AgentsFerritinsAscorbic Acid DeficiencyPhytic AcidFerrous CompoundsBiological AvailabilityHepcidinsIron OverloadAnemia, Iron-DeficiencyHemochromatosisAnemia, HypochromicFood, FortifiedFerric CompoundsDuodenumAntimicrobial Cationic PeptidesHemoglobinsTransferrinIron CompoundsCation Transport ProteinsIron-Binding ProteinsHemosiderinDehydroascorbic AcidDietFood AnalysisScurvyEnterocytesBreadReceptors, TransferrinGrape Seed ExtractCaco-2 CellsAntioxidantsPhenylhydrazinesPhlebotomyPolyphenolsIron Metabolism DisordersBloodlettingLiverHemeEdetic Acid6-PhytaseMeatSoybeansNutritional StatusFlourModels, BiologicalIron Regulatory Protein 1ZincIron-Regulatory ProteinsDeferoxamineIntestinesHematocritWhole-Body CountingVegetable ProteinsTeaCross-Over StudiesCopperErythropoiesisBiological TransportInfant FoodIron Regulatory Protein 2Intestinal MucosaL-Gulonolactone OxidaseAdministration, OralCitrus aurantiifoliaHydrolyzable TanninsOxidation-ReductionTriticumSkin AbsorptionDigitariaCerealsMilkDysprosiumDietary SupplementsRats, Mutant StrainsFood AdditivesSpectrophotometry, AtomicFecesZinc IsotopesDietary ProteinsHomeostasisNutritive ValueCeruloplasminHydrogen-Ion ConcentrationCalcium, DietaryDose-Response Relationship, DrugSiderosisTime FactorsSodium-Coupled Vitamin C TransportersGlycerylphosphorylcholineFoodIntestine, SmallErythrocytesFood Handling