2.1.1. Tocopherols and tocotrienols a-, b-, g-andd-tocopherol were purchased as an isomer
kit from Merck (Art. 15496). Tocomins
(cf. Section 2.2.2) was obtained from Carotech Inc. (Talmadge Village, Edison, NJ, USA). Standard stock solutions of tocopherols were prepared in ethanol (AaS). The exact concentrations