TOKOFEROLHO (az yunoni tokos — jins, nasl,— mebaram va lotini oleum — ravgan), vitaminhoi guruhi E. yak guruhi vitaminhoi dar ravgan halshavandaro guyand. 8 nav Tokoferolhoi ( —T., —T., —T., va gayra) khususiyati vitamindoshta malumand. Tokoferolho faqat dar rastani hosil meshavand odam va hayvonot Tokoferolhoro az khurok megirand. Hangomi mutadil gizo giriftan avitaminozho va gipovitaminozhoi E ham ruy medihand. Tokoferolhro dar tib hangomi muolijai baze bemorihoi zanona, asab, pust, dilu ragho va gayra istifoda mebarand.