AlloxanFree RadicalsFree Radical ScavengersNinhydrinHydroxyl RadicalDiabetes Mellitus, ExperimentalElectron Spin Resonance SpectroscopyAntioxidantsPicratesSuperoxide DismutaseOxidation-ReductionTrigonellaPlant ExtractsIslets of LangerhansHydroxidesLipid PeroxidationNitrogen OxidesBlood GlucoseReactive Oxygen SpeciesGlycosuriaRats, WistarOxidative StressCatalaseStreptozocinHydrogen PeroxideSpin LabelsXanthine Oxidase