Thursday, March 1, 2012

Antioxidants to prevent of cardiovascular disease

Most of the scientific studies concern the major antioxidants present in plasma: particularly, lipid-soluble alpha-tocopherol (vitamin E), which exerts potent antioxidant and anti-inflammatory properties, as well as beta-carotene and water soluble vitamin C.

Recent studies suggest that vitamin D may play a significant role in many aspects of heart and vascular health.

Study by Harvard School of Pubic Health published in New England Journal of Medicine May 20 1993, showed a reduced risk if heart disease for both men and women who took beta-carotene and vitamin E supplements.

Among the 3,000 women in the study who had no prior heart disease but three or more risk factors for it, those who received vitamin C alone or in combination had a 42 percent lower risk of stroke. Smokers taking C also had a 48 percent lower risk.

While the antioxidant role of vitamin E has been attributed to its capacity to protect cells and tissues from free radical effects, by acting as a lipid based, radical chain breaking molecule.

Many cross-sectional, case-control and cohort studies have found an association between antioxidant consumption especially vitamin E and a reduced risk of coronary heart disease; moreover, people who consume a diet rich in fruits and vegetables have lower risks of coronary vascular disease.
Antioxidants to prevent of cardiovascular disease

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