Vitamin E (or Tocopherol)
Refer to Structure
Known as the “anti-sterility” vitamin. Prevents resorption of fetuses and testicular
Main role is associated with cell membranes, works with selenium as an
Stabilizing Cell membrane structure:
Functions in conjunction with selenium (via glutathione peroxidase) as part of a
multicomponent antioxidant defense system. This system protects the cell against
the adverse effects of peroxides and other free radicals (species with an odd
number of electrons).
Increased PUFA in diet- where free radicals come from (that’s why sat are
thought to be good and bad) Role in Aging
Exposure to ionizing radiation – free radicals are by product of
Membrane maintenance function is of particular importance in the lysosomal membrane.
Lysosome (killer), exposes things to high levels of peroxide, so if wall isn’t
working, you have issues
Absorption and Metabolism
Found associated with the lipid fraction of plant seeds (example soybeans, cottonseed,
corn, sunflower). Limited amounts found in animal tissue and fruits and vegetables.