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Iron is a chemical element; it has the symbol Fe (from Latin ferrum 'iron') and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of Earth's outer and inner core.
In the context of nutrition, a mineral is a chemical element. Some "minerals" are essential for life, but most are not. [ 1 ][ 2 ][ 3 ]Minerals are one of the four groups of essential nutrients; the others are vitamins, essential fatty acids, and essential amino acids. [ 4 ] The five major minerals in the human body are calcium, phosphorus ...
Iron in biology. Appearance. Iron in hemoglobin is the source of the red coloration of vertebrate blood. Hemoglobin diagram. Iron is an important biological element. [ 1 ][ 2 ][ 3 ] It is used in both the ubiquitous iron-sulfur proteins [ 1 ] and in vertebrates it is used in hemoglobin which is essential for blood and oxygen transport.
Taste: Tart-sweet, woody. Health benefits: Similar to blackberries, black mulberries are great for pies and jams, and are especially popular in Southern U.S. kitchens. They’re loaded with ...
Human iron metabolism is the set of chemical reactions that maintain human homeostasis of iron at the systemic and cellular level. Iron is both necessary to the body and potentially toxic. Controlling iron levels in the body is a critically important part of many aspects of human health and disease.
Heme (American English), or haem (Commonwealth English, both pronounced /hi:m/ HEEM), is a ring-shaped iron-containing molecular component of hemoglobin, which is necessary to bind oxygen in the bloodstream. It is composed of four pyrrole rings with 2 vinyl and 2 propionic acid side chains. [1] Heme is biosynthesized in both the bone marrow and ...
Micronutrient. Micronutrients are essential dietary elements required by organisms in varying quantities to regulate physiological functions of cells and organs. [1][2] Micronutrients support the health of organisms throughout life. [3][4][5] In varying amounts supplied through the diet, micronutrients include such compounds as vitamins and ...
For the journal, see Nutrients(journal). A nutrientis a substanceused by an organism to survive, grow and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungiand protists. Nutrients can be incorporated into cells for metabolic purposesor excretedby cells to create non-cellular structures such as hair, scales ...