Defatted rice bran (10 g) was extracted with methanol
(150 ml) for 10 h using a soxhlet extractor. The extract
was filtered through a Whatman No. 1 filter paper and
the solvent was removed under vacuum/N2 flow to dryness.
The weighed residue was redissolved in methanol to obtain
an antioxidant solution of known concentration. The crude
methanolic extract (CME) thus obtained was partially
purified by re-extraction with acetone to give an acetone
extract (AE). The lipophilic and polar compounds of the
acetone extract (AE) thus obtained were then separated