OBJECTIVE	In this paper we present the effects of 6-month consumption of reduced-fat products on body weight , energy , macronutrient and vitamin E intake , concentration of the plasma lipid peroxidation product malondialdehyde ( MDA ) , erythrocyte free radical scavenging enzymes activities ( glutathione peroxidase activity ( GSH-Px ) ; superoxide dismutase ( SOD ) and catalase ) as well as plasma fat-soluble anti-oxidative vitamin concentrations ( beta-carotene , lycopene and alpha-tocopherol ) .\