Iron is a major component of hemoglobin, a type of protein in red blood cells that carries oxygen from your lungs to all parts of the body. Without enough iron, there aren't enough red blood cells to transport oxygen, which leads to fatigue.
Iron in food exists as two types, heme and non-heme. Animal foods such as meat, seafood and poultry provide both types and are better absorbed by the body. Non-heme iron is found in plant foods, such as spinach and beans, grains that are enriched, like rice and bread, and some fortified breakfast cereals.
According to the Office of Dietary Supplements, almost two-thirds of the iron in your body is used to make oxygen-carrying proteins found in your blood. But iron isn't a vitamin, it's a nutrient classified as a mineral.
Iron is a mineral that the body needs for growth and development. Your body uses iron to make hemoglobin, a protein in red blood cells that carries oxygen from the lungs to all parts of the body, and myoglobin, a protein that provides oxygen to muscles.
|Discovery date||approx 3500BC|
|Origin of the name||The name comes from the Anglo-Saxon name 'iren'.|
Nearly all the earth's iron comes from ore deposits in rocks formed more than 1.8 billion years ago. These began forming when the first organisms capable of photosynthesis began releasing oxygen into the world's oceans, which combined with dissolved iron to produce haematite or magnetite.
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Monoxide. Then reacts with the iron ore to form carbon dioxide. And pure iron separating the ironMoreMonoxide. Then reacts with the iron ore to form carbon dioxide. And pure iron separating the iron from the slag melted iron sinks to the bottom of the furnace. The limestone combines with the rock.
Iron is produced by reduction of iron ore, which is often a mixture of oxides, using carbon, carbon monoxide, and hydrogen. While the blast furnace is the dominant reduction process other technologies are emerging which operate on a smaller scale.
Iron is mostly obtained from minerals hematite and magnetite. In smaller degrees, it can also be obtained from the minerals taconite, limonite and siderite, according to Jefferson Lab.
Iron is not made in the body and must be absorbed from what you eat. The adult minimum daily requirement of iron is 1.8 mg. Only about 10 to 30 percent of the iron you consume is absorbed and used by the body. The daily requirement of iron can be achieved by taking iron supplements.
The most common cause of anemia worldwide is iron deficiency. Iron is needed to form hemoglobin, part of red blood cells that carry oxygen and remove carbon dioxide (a waste product) from the body. Iron is mostly stored in the body in the hemoglobin.
Archeologists believe that iron was discovered by the Hittites of ancient Egypt somewhere between 5000 and 3000 BCE. During this time, they hammered or pounded the metal to create tools and weapons.
It's common for people to think that iron and haemoglobin are the same thing, but they're actually quite different. Iron is a component of haemoglobin and is also found in other parts of the body. It's possible to have a normal haemoglobin level but be low in iron.
Choose iron-rich foods
Jan 4, 2022
The average iron content of whole blood for 200 men was 50.13 ± 0.15 mg. per hundred cubic centimeters, and for 100 women it was 43.42 ± 0.19. The mathematical index, the mode, the figure which appears most frequently in the series of determinations and around which the majority of figures group themselves, was 50 mg.
Some normal hemoglobin types are; Hemoglobin A (Hb A), which is 95–98% of hemoglobin found in adults, Hemoglobin A2 (Hb A2), which is 2–3% of hemoglobin found in adults, and Hemoglobin F (Hb F), which is found in adults up to 2.5% and is the primary hemoglobin that is produced by the fetus during pregnancy.
Complete blood count (CBC)
Dec 22, 2020
Hemoglobin A0 is the major hemoglobin protein of adult hemoglobin. It is a tetrameric protein consisting of 2 alpha and 2 beta chains, each of which contains a heme moiety and iron.