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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Free Radic Biol Med. 2014 Apr 3;72:76–90. doi: 10.1016/j.freeradbiomed.2014.03.035

Figure 3. Antioxidant activities of vitamin E forms (representatively shown by γT).

Figure 3

Tocopherols and tocotrienols are potent lipophilic antioxidants by scavenging lipid peroxyl radicals via donating hydrogen from the phenolic group on the chromanol ring. Vitamin E forms with an un-substituted 5-position including γT may trap electrophiles such as NO2 or peroxynitrite to form 5-nitro-γ-tocopherol (5-NγT). This figure is modified based on ref [1].