A tocol in which the hydrocarbon chain at position 2 contains three double bonds.
| Member | Definition | Role |
|---|
| gamma-tocotrienol | A tocotrienol that is chroman-6-ol substituted by methyl groups at positions 2, 7 and 8 and a farnesyl chain at position 2. A vitamin E family member that has potent anti-cancer properties against a wide-range of cancers. | gamma-tocotrienol |
| tocotrienol, alpha | A tocotrienol that is chroman-6-ol substituted by methyl groups at positions 2, 5, 7 and 8 and a farnesyl chain at position 2. It has been found in palm oil derived from Elaeis guineensis. | alpha-tocotrienol |
| tocotrienol, beta | A tocotrienol that is chroman-6-ol substituted by methyl groups at positions 2, 5 and 8 and a farnesyl chain at position 2. It has been isolated from various cultivars of wheat. | beta-tocotrienol |
| tocotrienol, delta | A tocotrienol that is chroman-6-ol substituted by methyl groups at positions 2 and 8 and a farnesyl chain at position 2. | delta-tocotrienol |
| trans-delta-tocotrienoloic acid | | (2e,6e,10e)-13-[(2r)-6-hydroxy-2,8-dimethyl-3,4-dihydrochromen-2-yl]-2,6,10-trimethyltrideca-2,6,10-trienoic acid |