A number of functions for coenzyme Q (CoQ) have been established during the years but its
role as an effective antioxidant of the cellular membranes remains of dominating interest.
This compound is our only endogenously synthesized lipid soluble antioxidant, present in all
membranes and exceeding both in amount and efficiency that of other antioxidants. The
protective effect is extended to lipids, proteins and DNA mainly because of its close
localization to the oxidative events and the effective regeneration by continuous reduction at …