Another oil
soluble antioxidant in rice bran is R-tocopherol which possesses a
hydroxychromane ring and a terpenoid side chain located at
position 2 of the ring. R-Tocopherol prevents oxidation of body
lipids such as organellemembranes by donating a hydrogen atom
from the hydroxyl on the ring system to a free radical . Pigmented
rice also contains anthocyanins in pericarp