SEARCH Articles Figures Tables 1,1 -Diphenyl-2-picrylhydrazyl radical-scavenging activity Active radicals Caffeic acid free radical scavenging activity Coumarin radical scavenging activity DPPH free radical scavenging activity DPPH radical scavenging activity Dorstenia brasiliensis radical-scavenging activities Flavonoids peroxyl radical-scavenging activity Free radical scavenging activity Garcinol radical scavenging activity Peroxyl radical-scavenging activity Phenolic acids radical scavenging activity Radical scavengers Radical scavenging activity, evaluation Scavenging activity Superoxide radical scavenging activity