Oxidative stress basically defines a condition in which prooxidant–antioxidant balance in the cell is disturbed; cellular biomolecules undergo severe oxidative damage, ultimately compromising cell viability.Reactive oxygen species (ROS) are products of normal cellular metabolism and are known to act as secondary messengers of organisms.3 When the levels of ROS exceed the antioxidant capacity of cells, such conditions induce tissue damage by oxidizing DNA, lipids and proteins