The present book presented the various models of hepatoprotective screening as well as a study aimed at describing the investigation of the antioxidant and hepatoprotective activity of methanolic flower extract of Nerium oleander. In vitro antioxidant activity MENO-F was evaluated by various assays, including reducing power, lipid peroxidation, DPPH, ABTS, superoxide anion, hydroxyl radicals and metal chelation. The hepatoprotective and in vivo antioxidant activity of MENO-F were evaluated against CCl4-induced hepatic damage in rats. The extract showed potent activities on reducing power,...