Ascorbic AcidIronIntestinal AbsorptionAbsorptionIron IsotopesIron RadioisotopesIron, DietaryIron Chelating AgentsFerritinsAscorbic Acid DeficiencyPhytic AcidFerrous CompoundsBiological AvailabilityHepcidinsIron OverloadAnemia, Iron-DeficiencyCalcium SignalingHemochromatosisAnemia, HypochromicFood, FortifiedFerric CompoundsDuodenumCalcium, DietaryHemoglobinsAntimicrobial Cationic PeptidesTransferrinCation Transport ProteinsIron CompoundsIron-Binding ProteinsHemosiderinCalcium ChannelsDietDehydroascorbic AcidFood AnalysisScurvyEnterocytesBreadCalcium CarbonateReceptors, TransferrinGrape Seed ExtractCaco-2 CellsEdetic AcidPhenylhydrazinesAntioxidantsBloodlettingPhlebotomyIron Metabolism DisordersPolyphenolsLiverHeme6-PhytaseMeatZincNutritional StatusSoybeansFlourIron Regulatory Protein 1Iron-Regulatory ProteinsDeferoxamineIntestinesCalcium PhosphatesCross-Over StudiesHematocritDietary SupplementsVegetable ProteinsWhole-Body CountingBiological TransportTeaInfant FoodHomeostasisCalcium IsotopesAdministration, OralCopperErythropoiesisMilkIron Regulatory Protein 2L-Gulonolactone OxidaseCitrus aurantiifoliaDose-Response Relationship, DrugHydrolyzable TanninsCalcium ChlorideIntestinal MucosaHydrogen-Ion ConcentrationKineticsTriticumDigitariaCerealsTime FactorsSpectrophotometry, AtomicSkin AbsorptionOxidation-ReductionDysprosiumFecesDietary ProteinsRats, Mutant StrainsFood AdditivesNutritive ValueZinc IsotopesRats, Sprague-DawleyCeruloplasmin