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Vitamin E - Benefits, Deficiency Symptoms And Food Sources
By Alien
Vitamin E is a fat-soluble vitamin present in many foods, especially certain fats and oils. It is one of a number of nutrients called antioxidants. Some other well known antioxidants include vitamin C and beta-carotene. Antioxidants are nutrients that block some of the damage caused by toxic by-products released when the body transforms food into energy or fights off infection. The build up of these by-products over time is largely responsible for the aging process and can contribute to the development of various health conditions such as heart disease, cancer, and a host of inflammatory conditions like arthritis. Antioxidants provide some protection against these conditions and also help reduce the damage to the body caused by toxic chemicals and pollutants.
Vitamin E is a fat-soluble vitamin that exists in eight different forms. Each form has its own biological activity, which is the measure ...
{PS vitamin - A process or series of processes by which the living organism as a whole (or its component parts or organs) is maintained in its normal condition of life and growth.
}
... of potency or functional use in the body. It present in many foods, especially certain fats and oils. Some members of the vitamin E family are called tocopherols. These members include alpha tocopherol, beta tocopherol, gamma tocopherol, and delta tocopherol.
Functions and benefits of Vitamin E
Vitamin E, a fat-soluble vitamin, is an antioxidant vitamin involved in the metabolism of all cells. It protects vitamin A and essential fatty acids from oxidation in the body cells and prevents breakdown of body tissues.
The most important function of vitamin E is to maintain the integrity of the body's intracellular membrane by protecting its physical stability and providing a defense line against tissue damage caused by oxidation. It protects polyunsaturated fats and other oxygen-sensitive compounds such as vitamin A from being destroyed by damaging oxidation reactions. However, as with betacarotene, the effect of vitamin E in preventing heart disease may be both timing-sensitive and dose sensitive. Vitamin E may protect the liver and the rest of the body against environmental pollutants such as ozone and other constituents of smog. People receiving chemotherapy or radiation can also be protected with additional vitamin E supplementation.
Recommended Dosage for Vitamin E
The recommended dietary allowance (RDA) for vitamin E is quite low, 15 mg to 20 International Units (IU) per day. The most commonly prescribed dosage of supplemental vitamin E for adults is approximately 300 to 800 IU per day.
Food sources of Vitamin E
Food source of vitamin E are wheat germ oil, sunflower oil, hazelnut, walnut oil, Peanut oil, chestnut, coconut, tomatoes, carrots, soybean oil, olive oil, peanut, pollard, corn, asparagus, oats, soybean.
Deficiency Symptoms of Vitamin E
Vitamin E deficiency affects the central nervous system and may result in progressive neuromuscular disease characterized by loss of reflexes, muscle weakness, loss of balance and impaired ability to coordinate voluntary movements (ataxia). Premature infants who have a vitamin E deficiency are at risk of several serious disorders. They may develop a form of anemia in which red blood cells rupture (hemolytic anemia).
Vitamin E deficiency is rare in humans. There are three specific situations when a vitamin E deficiency is likely to occur.
1. persons who cannot absorb dietary fat due to an inability to secrete bile or with rare disorders of fat metabolism are at risk of vitamin E deficiency;
2. individuals with rare genetic abnormalities in the alpha-tocopherol transfer protein are at risk of vitamin E deficiency and
3. premature, very low birth weight infants are at risk of vitamin E deficiency.
Blood levels of vitamin E may also be decreased with zinc deficiency. Vitamin E deficiency is usually characterized by neurological problems associated with nerve degeneration in hands and feet. These symptoms are also associated with other medical conditions.
Anybody Need Whole Vitamin And Mineral Supplement Fast?
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When you need good vitamin and mineral supplement fast, you should be totally informed about the product before taking it. These supplements have many beneficial effects on your health. However, some Read more...
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Where To Find Good And Natural Vitamin Supplement Stuff
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Nutritional Supplements - A Necessary Evil?
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I just read an interesting article about all the so-called "Super Foods" that are supposed to help keep you healthy. And I don't disagree. It makes sense that these great foods provide vitamins, Read more...
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The Proper Way To Store Your Vitamins
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There are two types of vitamins, water soluble and fat soluble. Both of these types are stored in the body in different ways. Water soluble vitamins cannot be stored in the body. So for this Read more...
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