Answer
The major substances in the body that inactivate free radicals are Vitamin A ( B-carotene), Vitamin C (ascorbic acid), and Vitamin E ( alpha-tocopherol). Several nutrients classified as Minerals also can inactivate free radicals; these are Zinc(Z), Iron (Fe), Selenium (Se), and Copper (Cu)
Work Step by Step
Free radicals are chemical species with unpaired electrons. They can damage cells and impair the immune system leading to the development of cancer and degenerative diseases like atherosclerosis, heart disease, and cataracts. Free radicals develop as result of an impact on the body of radiation, overexposure to sunlight, contact with tobacco smoke, polluted air and toxic industrial chemicals and household cleaners. Free radicals are also formed during metabolic processes of the body. Some enzymes that inactivate free radicals are catalases, glutathione peroxidase, and Superoxide dismuthase.
Vitamins A, C, and E and the minerals copper, zinc, selenium, and iron counteract the action of free radicals by promoting the formation of these free radical scavenging enzymes.