Chapter 26

Physiological Aspects of Coenzyme Q10 in Plasma in Relationship with Exercise and Aging

Guillermo López-Lluch,    Universidad Pablo de Olavide, Sevilla, Spain

Abstract

Coenzyme Q is an essential factor in bioenergetics and in antioxidant protection of cell membranes. As the main antioxidant in blood, coenzyme Q prevents the oxidation of lipoproteins. This function and others related to the physiology of the heart and the vascular endothelium makes this molecule a key factor in preventing atherosclerosis and cardiovascular diseases. Over the last few years, we have found that coenzyme Q levels increase in people who maintain high levels of physical activity as they age. This increase is associated with lower lipid oxidation in plasma ...

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