A natural tocopherol with less antioxidant activity than ALPHA-TOCOPHEROL. It exhibits antioxidant activity by virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus. As in BETA-TOCOPHEROL, it also has three methyl groups on the 6-chromanol nucleus but at different sites. Occurs in many nut and other vegetable oils such as soya and sunflower oil. Used as antioxidant food additive. Member of Vitamin E group. Added to fats and oils to prevent rancidity. The naturally occurring tocopherol is a single steroisomer; synthetic forms are a mixt. of all eight possible isomers [DFC] gamma-Tocopherol is one of the chemical compounds that is considered vitamin E. As a food additive, it has E number E308. [Wikipedia]