From:  Canna indica silver nanoparticles (AgNPs): a green alternative for medicine

 IC50 values in DPPH assay for AgNPs and WEs

Sample IDWE (mg/L)AgNP (mg/L)
Pink1.715.35
Red0.521.94
Pink red31.550.56
Yellow red0.910.53
Yellow0.490.40

AgNP: silver nanoparticle; DPPH: 2,2-diphenyl-1-picrylhydrazyl; WEs: water extracts; IC50: inhibition concentration