The antioxidant potential of the crude extract and different fractions of Cystoseira
trinodis collected from Mandapam coast was determined using total antioxidant capacity and
1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging activity. The dichloromethane (DCM)
fraction isolated from crude methanolic extract by different solvent extractions exhibited prominent
antioxidant activity