Objective Ability for antioxidative activity Citrus aurantium extract in vitro was studied. Method the ability of free radicals scavenging was investigated with different special chemical systems of hydroxyl radical and superoxide radicals and inhibitor lipid-peroxidation with homogenates of mouse liver, kidney and heart. Result C. aurantium extract had strong ability of free radicals scavenging and inhibitor lipid-peroxidation . A linear relationship existed between free radicals scavenging and inhibitor l...