Ascorbic AcidIronIntestinal AbsorptionAbsorptionIron IsotopesIron RadioisotopesIron, DietaryIron Chelating AgentsFerritinsAscorbic Acid DeficiencyPhytic AcidFerrous CompoundsBiological AvailabilityHepcidinsIron OverloadAnemia, Iron-DeficiencyHemochromatosisAnemia, HypochromicFood, FortifiedFerric CompoundsDuodenumCation Transport ProteinsZinc FingersHemoglobinsAntimicrobial Cationic PeptidesTransferrinIron CompoundsIron-Binding ProteinsHemosiderinDietDehydroascorbic AcidFood AnalysisZinc IsotopesScurvyEnterocytesZinc SulfateBreadZinc CompoundsReceptors, TransferrinGrape Seed ExtractCaco-2 CellsAntioxidantsPhenylhydrazinesZinc OxideNutritional StatusPhlebotomyBloodlettingIron Metabolism DisordersEdetic AcidLiverCopperPolyphenolsHeme6-PhytaseMeatFlourSoybeansIron Regulatory Protein 1Iron-Regulatory ProteinsDeferoxamineZincIntestinesDietary SupplementsVegetable ProteinsHematocritInfant FoodWhole-Body CountingCross-Over StudiesSpectrophotometry, AtomicTeaIron Regulatory Protein 2ErythropoiesisAdministration, OralL-Gulonolactone OxidaseIntestinal MucosaCitrus aurantiifoliaCerealsTriticumHydrolyzable TanninsDigitariaDysprosiumMilkSkin AbsorptionZinc AcetateBiological TransportFecesOxidation-ReductionNutritive ValueHomeostasisDietary ProteinsRats, Mutant StrainsFood AdditivesCeruloplasminCalcium, DietarySiderosisSodium-Coupled Vitamin C TransportersGlycerylphosphorylcholineIntestine, SmallFoodHydrogen-Ion Concentration