Water, methanol and Et acetate exts. from stems with leaves and flowers of Amaranthus lividus L., one of the most
popular leafy vegetable consumed in the west Black Sea region of Turkey, were tested in vitro for their ability to inhibit
peroxidn. of phosphatidylcholine liposomes induced with Fe3+/ascorbate, to scavenge ABTS·+, DPPH· and hydroxyl
radicals, to reduce Fe (III) to Fe (II) and to chelate Fe (II) ions. The results showed that amaranth vegetable contained
naturally occurring antioxidant components and possessed antioxidant activity which may be attributed to its lipid
peroxidn. inhibitory, radical scavenging and metal chelating activities. The antioxidant activities of the water and Et
acetate exts. were not concomitant with the development of their reducing power. It was concluded that A. lividus might
be a potential source of antioxidants.