Alpha-tocopherol synthetic (Tocopherol, Alpha-tocopherol synthetic, vithamine E, E307) ke antioxidant e sireletsang lisele ho senya ka ho liehisa oxidation ea lipids (mafura) le ho thehoa ha li-radicals tsa mahala.
Alpha-tocopherol ka tloaelo e tsejoa e le antioxidant e kholo ka ho fetisisa 'meleng oa motho. Tekanyo ea ts'ebetso ea vithamine E lihlopheng tsa machabeng (IU) e ne e ipapisitse le keketseho ea tsoalo ka lebaka la thibelo ea ho senyeheloa ke mpa ka likhoto tsa bakhachane ha o nka alpha-tocopherol. E eketseha ka tlhaho ka 150% ea se tloaelehileng 'meleng oa mme nakong ea bokhachane ho basali.
1 IU ea vithamine E e hlalosoa e le sehlahisoa se lekanang le 0.667 milligrams ea RRR-alpha-tocopherol (eo pele e neng e bitsoa d-alpha-tocopherol kapa 1 milligram ea all-rac-alpha-tocopheryl acetate (e rekisoang e bitsoang dl-alpha-tocopheryl acetate, ea pele d, l-synthetic molek'hule ea limolek'hule, eo ka nepo e bitsoang 2-ambo-alpha-tocopherol, ha e sa etsoa).