A suitable such material is2,5,7,8-tetraMe-2-(4',8',12'-triMe-tridecyl)-6-chromanol,illustrated by the following structure ##STR1##Alpha tocopherol is available as a generally pure liquid, and may be incorporated into the EVOH by melt blending, or may be provided as a concentrate incorporated into another resin such as polyethylene, or may otherwise be incorporated into thecomposition being proces