Iron in food exists in two forms: as inorganic (trivalent) and heme (ferrous) iron. Heme iron has i

Iron is a very important component of the body - it provides metabolic processes, and acting woven baskets enzyme composition, iron participates in various body elements, such as hemoglobin (a protein located in red blood cells) woven baskets formation. Iron deficiency is associated with a variety of problems, such as anemia (anemia) - formation of imperfect notable is the reduced amount woven baskets of hemoglobin in red blood cells, so that the main function of red blood cells - the oxygen and carbon dioxide transfer woven baskets - is impaired. Thus, it is clear that iron is an indispensable component of the body, which is involved in all the body's reactions, so care must be taken if they are to be consumed in the diet. The recommended iron intake (mg / day) Age Men Women Pregnant lactation period 7-12 months 11 11 - - 1-3 years 7 7 - - 4-8 years 10 10 - - 9-13 years 8 8 - - 14-18 years 11 15 27 10 19-50 years 18 27 8 9
People with dietary iron intake, and it is absorbed in the digestive tract (the duodenum and small intestine, upper part). If the iron level is low, iron absorption is increased, but when the iron is too much, its absorption is delayed. Elevated levels of iron, it is also removed, noloboties epithelial cells and activation woven baskets of the digestive tract enerocītiem, it removes excess iron from the body. An adult male loses 1 mg per day of iron, while women lose twice menstruation, pregnancy and child birth. [1]
Iron in food exists in two forms: as inorganic (trivalent) and heme (ferrous) iron. Heme iron has its origin in the hemoglobin - the protein woven baskets in red blood cells, along with the following form obtainable from dzīvniekvalsts woven baskets products. Although heme iron absorption is more effective, however, increasing the inorganic iron-containing products intake (vegetable products), you can get the same dose required. [4]
Although heme iron is biopieejamāka, studies have shown that, for example, Australian woven baskets residents most iron nutriment from vegetable products. Less than 20% of iron overload, people consume meat products, but around 40% - with cereals. woven baskets The same situation exists in the UK, where 45% of iron is taken up by crops and their products and less than 20% - of the meat and its products. [6]
To absorb iron more efficiently, it requires the presence of vitamin C, so it is very efficient iron intake portions are considered to be those containing the two components (such as spinach and orange salad). Vitamin C provides a more efficient solution of ferric change in value of the divalent iron, which has a better absorption capacity. woven baskets
Also, organic acids such as citric acid, malic acid and lactic acid, and vitamin A and beta carotene woven baskets inorganic promote iron absorption. Ascorbic acid derivative - erythorbic acid (isoascorbic) (E315) - which is known as an antioxidant finished product, providing up to twice as efficient absorption than ascorbic acid or Vitamin C. However, also important to note that substances such as tannins (found woven baskets in tea), calcium, polyphenols and phytates, some of these may hinder absorption. However, various studies have shown that taking a greater amount of iron in the diet (14-26 mg / day), the absorption of phytate critically woven baskets reduced. Also, the production of heat treatment and drenching containing phytate, reduce them, so that iron absorption is not significantly impeded. [4]
It has been shown that animal proteins (milk, egg protein and albumin) inhibits iron absorption. In the past, it was assumed that this same effect is also soy protein, but recent studies have shown that soy is the ferritin iron in the form, and this form is bioavailable. [6]
Infants receiving iron from breast milk, which is the physiological source of food for the infant. Amount of iron in cow's milk is negligible, as well as the ability to absorb the baby is much lower. Giving babies cow's milk can also cause side effects such as gastrointestinal bleeding. [3] Infants woven baskets who are given breast milk should be consumed iron supplements. woven baskets [5]
Not only pregnant women and women who have reached fertile age have a relatively higher risk, but also long-distance woven baskets runners, gastrointestinal problems-stricken patients and blood donors. This does not mean that that person receives less iron (with the exception of patients who have impaired absorption), but they should be careful that faces the food - speed up your metabolism and iron loss (menstruation, pregnancy) reasons. [5]
In the body, iron is stored in the liver cells, the ferritin and haemosiderin way. When cells ends intracellular iron reserves, inactive form become woven baskets active, thereby protecting cells from increased iron levels of toxic reactions to the ferritin has two functions - backup and detoxification function.
Another iron "reservoir" is haemosiderin woven baskets - rapid growth in iron levels, it becomes a major iron savers. Under physiological conditions, haemosiderin is not effective iron u