Shaista Arzoo, Nawal-A-Al Badr, Doha A. Nouri
Department of Food and Nutrition Science, College of Food and Agricultural Sciences, King Saud University. P.O. Box: 22452, Riyadh – 11495, Kingdom of Saudi Arabia
Key words: Antioxidants, cancer, cataract, atherosclerosis, vitamins, tocopherol, ascorbic acid, retinol.
Reactive oxygen species are required at little or moderate concentration but at high concentrations it has harmful and deleterious effects. It is considered that sufficient level of antioxidants provided with diet can break destructive chain reaction initiated by free radicals and increases defensive abilities of cell. Vitamin A, vitamin C, and vitamin E (ACE) are known to be powerful antioxidant nutrients. This review article gives a brief view of role of ACE as an antioxidant in preventing diseases and promoting health. It has been suggested that consuming healthy food such as plant food rich in antioxidants may be considered as very effective and economical in treating and preventing many diseases.