Nonheme Iron ProteinsHemerythrinIronNitrogenaseIron, DietaryIron RadioisotopesMetalloproteinsIron Chelating AgentsChromatiumFerredoxinsFerritinsFerrous CompoundsAzotobacter vinelandiiFerrozineIron CompoundsIron IsotopesOxidoreductasesAbsorptionRubredoxinsHemeFerric CompoundsAzotobacterBiological AvailabilityIntestinal AbsorptionElectron Spin Resonance SpectroscopyGastric LavageFood AnalysisRhodospirillum rubrumIron OverloadPeptococcusOxidation-ReductionTransferrinMeatDioxygenasesIron-Sulfur ProteinsOxygenasesMolybdoferredoxinClostridiumAnemia, Iron-DeficiencyAscorbic AcidBacterial ProteinsSpectrophotometryGlycerylphosphorylcholineSpectroscopy, MossbauerManganese CompoundsVegetable ProteinsSpectrum AnalysisOxygenDietPeroxidesDesulfovibrioKetoglutaric AcidsHemoglobinsQuantum TheoryAmino Acid SequenceKineticsButylated HydroxytolueneNutritive ValueDithioniteAdenosine DiphosphateCalcium, DietaryHematocritProtein ConformationMolecular Sequence DataSoybeans