Xanthine OxidaseXanthineXanthine DehydrogenaseXanthinesAllopurinolOxypurinolNADPH OxidaseMolybdenumAldehyde OxidaseHypoxanthineHypoxanthinesSuperoxidesFree RadicalsMilkUric AcidPteridinesTungstenOxidation-ReductionSuperoxide DismutaseHydroxidesElectron Spin Resonance SpectroscopyUrate OxidaseGlucose OxidaseReactive Oxygen SpeciesHydrogen PeroxideHydroxyl RadicalMonoamine OxidasePurinesKetone OxidoreductasesCatalaseOxygenFree Radical ScavengersProtein-Lysine 6-OxidaseFlavin-Adenine DinucleotideCattleKineticsTungsten CompoundsOxidoreductasesDithioniteEnzyme InhibitorsOxidative StressCyclic N-OxidesNADH, NADPH OxidoreductasesAntioxidantsMetalloproteinsAcetophenonesCoenzymesSpectrophotometryNitric OxideUricosuric AgentsLiverD-Amino-Acid OxidaseOnium CompoundsOxidantsNADFlavinsAldehyde OxidoreductasesBenzaldehydesMonoamine Oxidase InhibitorsPterinsGout SuppressantsHyperuricemiaLipid PeroxidationGuanine DeaminaseRhodiolaAscorbate OxidaseRats, Sprague-DawleyGalactose OxidaseIronSulfurEndothelium, VascularLuminescent MeasurementsHydrogen-Ion ConcentrationOxidoreductases Acting on Sulfur Group DonorsPeroxidase2,6-DichloroindophenolAcyl-CoA OxidasePancreatinDitiocarbDesulfovibrio gigasSulfite OxidaseDose-Response Relationship, DrugReperfusion InjuryTheobromineChemistrySpin LabelsGlutathioneMalondialdehydeNitrates