2 ,2-diphenyl-1-picrylhydrazyl 1 Active components 1 Anti-oxidant activities 1 Antioxidant properties 1 Antioxidants 1 Camphor 1 Chlorine compounds 1 Crude extract 1 Curing 1 Ethanol 1 Ethanol extract 1 Free radicals 1 Hexane 1 Hot extractions 1 Nanostructured materials 1 Organic solvents 1 Scavenging activities Solvent extraction 1