Sulfhydryl CompoundsTioproninAntioxidantsbeta-Aminoethyl IsothioureaCysteamineDithiothreitolMercaptoethanolCysteineGlutathioneOxidation-ReductionHydrogen-Ion ConcentrationKineticsEthylmaleimideOxidative StressPicratesDithionitrobenzoic AcidPlant ExtractsLipid PeroxidationFree Radical ScavengersAscorbic AcidSuperoxide DismutaseCatalasePhenolsReactive Oxygen SpeciesGlutathione PeroxidaseVitamin EBiphenyl CompoundsChloromercuribenzoatesDisulfidesIodoacetamideHydrogen PeroxideSulfonic AcidsThiobarbituric Acid Reactive SubstancesMolecular StructureMalondialdehydeAcetylcysteineOxidantsMercuribenzoatesp-Chloromercuribenzoic AcidFree RadicalsStructure-Activity Relationship