The chemical principles of methods of 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, 2,2'-azinobis-(3-ethylbenzothiazoline-6-sulphonate) radical (ABTS + ) scavenging, ferric ions (Fe 3+ ) reducing assay, ferric reducing antioxidant power (FRAP) assay, cupric ions (Cu 2+ ) reducing power assay (Cuprac), FolinCiocalteu reducing capacity (FCR assay), superoxide radical anion (O 2 ), hydroxyl radical (OH) scavenging, peroxyl radical (ROO) removing, hydrogen peroxide (H 2 O 2 ) decomposing, singlet oxygen ( 1 O 2 ) quenching assay, nitric oxide radical (NO) scavenging assay and chemiluminescence assay are overviewed and critically discussed
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10.1093/humrep/dew100 74