The effects of DHA algae oil blend oil on total protein level, MDA content, acetylcholinesterase (ACHE) and glutathione peroxidase (GSH -Px) activities in myocardial tissue of SD rat were studied. 54 SD rats were randomly divided into nine groups : pure DHA algae oil group ( CK1 ), soybean blend oil group (CK2) , peanut blend oil group (CK3 ), groups of soybean blend oil containing low, medium and high content of DHA algae oil, groups of peanut blend oil containing low, medium and high content of DHA algae oil. The myocardial tissues...