Consumption of Vitamin E
Vitamins are substances that your body and that it can not produce, this refers to the term of which are essential. They are used in small quantities and the body is very sensitive to the lack or reduction of any of them.
Therefore recommended minimum intake levels for compensatory mechanisms do not reach start, which can often cause damage irreversibles.La vitamin E is recommended for healthy adults from age 19 to 15 mg / day and is the same for men and women. This value is set based on the amount needed to not produce a red blood cell destruction (hemolysis) in response to the lack thereof.
With a varied diet that includes a portion of vegetable oils, nuts and / or cereal per day, naturally covers the requirement. For children, the needs are increasing as follows: -Infants 0-6 months: 4 mg / day -Children 7-12 months: 5 mg / day -Children from 1-8 years: 6 mg / day -Children 9 to 13 years: 11 mg / day -Adolescents 14 to 18 years: 15 mg / day In pregnant women, it is necessary to increase the doses required and lactating women increases slightly reaching 19 mg / day.The value equals 15 mg 22UI (international units) of 33 IU natural vitamin from a source synthetic. International Units The term refers to units of measurement used worldwide to unify trabajo.Al criteria as in the case of any nutrient needs vary according to age, sex, physiological status and states patológicos.La absorption of tocopherols takes place in the first portions of the small intestine and needs of bile salts and pancreatic lipases (enzymes made by the pancreas to the degradation of lipids) to make it happen because the fat-soluble vitamins are dissolved in fatty foods.
The rate of absorption depends on the body's ability to absorb the fats in the next dissolved, and rotates about 20-40% of which is incorporated with the daily diet. Once absorbed, certain lipoproteins called chylomicrons via the lymphatic transport it into tissues and liver (because being a hydrophobic compound that repels water, can not be incorporated directly into the blood) and then enters the bloodstream and placed in the cell membranes of tissues with phospholipids, ready for use.
The factors involved in the absorption of vitamin E are mainly those associated with malabsorption of fat, for example in the case of celiac disease, pancreatic diseases such as cystic fibrosis external or production problems or bile excretion as in the gallstones. Vitamin E can be stored in the liver, muscle and adipose tissues constitute a small organic reserves, helping to avoid a deficiency. There are many vitamins that have the distinction of being stored, tocopherols are privileged in this sense. Plasma levels depend on the values of other lipids, which is associated.
When the intake is greater than required, the excess will be excreted via bile, urine and feces. For this reason it is very common to find cases of toxicity, or hypervitaminosis megadoses, situations differ by the level of excess. By contrast, when the needs are greatest contribution shares are released this vitamin from their deposits to restore serum levels within acceptable ranges.
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