Vithamine E ke vithamine e sa nkheng le e sa latsoeheng e bobebe e mosehla e qhibilihang ka mafura e nang le antioxidant, anticancer, anti-inflammatory le mesebetsi e meng. Ho ea ka sebopeho sa eona sa limolek'hule, e ka aroloa ka mekhahlelo e 'meli: tocopherols le tocotrienols. Sehlopha se seng le se seng se arotsoe ka mefuta e mene ho latela boemo ba methyl ho lesale la chromophore: alpha, beta, gamma, le delta [1-2]. Lik'hemik'hale tse amanang le tocopherols, tse kang tocotrienols, li na le mosebetsi o itseng ha li-substituents li fapane, empa mosebetsi oa tocopherols o fokotsehile haholo.

Ka bobeli tocopherol le tocotrienol li na le litlamorao tse matla tsa antioxidant. Ka lebaka la ts'ebetso ea protheine ea phetisetso ea alpha tocopherol (alpha TP) le protheine e tlamang tocopherol (TBP) 'meleng, tocopherol e kenella habonolo le ho sebelisoa ke' mele. Ka hona, alpha tocopherol e nkoa e le pont?o e ka sehloohong ea ts'ebetso ea antioxidant ea vithamine E 'meleng. Alpha tocopherol, e nang le foromo ea molek'hule ea C29H50O2 le boima ba molek'hule ea 430.5, e arotsoe ka mefuta e 'meli e thehiloeng mohloling oa eona: tlhaho le ea maiketsetso, e hlalosoang e le mofuta oa D le mofuta oa L, ka ho latellana. Tlhaho ea alpha tocopherol e ho R conformation (RRR), ha alpha tocopherol e entsoeng ka maiketsetso e le RS conformation (RRR, RSR, RRS, RSS, SRR, SSR, SRS, SSS). Conformation e amana le ts'ebetso ea eona, 'me liphuputso li fumane hore ke alpha tocopherol feela e nang le 2R kapa ho feta e ka sebelisoang le ho kenngoa ke' mele. Ka hona, alpha tocopherol ea tlhaho e na le boleng bo phahameng ba phepo e nepahetseng 'me e bolokehile ho feta alpha tocopherol e entsoeng ka maiketsetso.