Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Vitamin_K> ?p ?o }
- Vitamin_K abstract "Vitamin K is a group of structurally similar, fat-soluble vitamins the human body requires for complete synthesis of certain proteins that are prerequisites for blood coagulation that the body needs for controlling binding of calcium in bones and other tissues. The vitamin K-related modification of the proteins allows them to bind calcium ions, which they cannot do otherwise. Without vitamin K, blood coagulation is seriously impaired, and uncontrolled bleeding occurs. Low levels of vitamin K also weaken bones and promote calcification of arteries and other soft tissues.Chemically, the vitamin K family comprises 2-methyl-1,4-naphthoquinone (3-) derivatives. Vitamin K includes two natural vitamers: vitamin K1 and vitamin K2. Vitamin K2, in turn, consists of a number of related chemical subtypes, with differing lengths of carbon side chains made of isoprenoid groups of atoms.Vitamin K1, also known as phylloquinone, phytomenadione, or phytonadione, is synthesized by plants, and is found in highest amounts in green leafy vegetables because it is directly involved in photosynthesis. It may be thought of as the \"plant\" form of vitamin K. It is active as a vitamin in animals and performs the classic functions of vitamin K, including its activity in the production of blood-clotting proteins. Animals may also convert it to vitamin K2.Bacteria in the colon (large intestine) can also convert K1 into vitamin K2. In addition, bacteria typically lengthen the isoprenoid side chain of vitamin K2 to produce a range of vitamin K2 forms, most notably the MK-7 to MK-11 homologues of vitamin K2. All forms of K2 other than MK-4 can only be produced by bacteria, which use these forms in anaerobic respiration. The MK-7 and other bacterially derived forms of vitamin K2 exhibit vitamin K activity in animals, but MK-7's extra utility over MK-4, if any, is unclear and is a matter of investigation.Three synthetic types of vitamin K are known: vitamins K3, K4, and K5. Although the natural K1 and all K2 homologues and synthetic K4 and K5 have proven nontoxic, the synthetic form K3 (menadione) has shown toxicity.".
- Vitamin_K thumbnail Phylloquinone_structure.svg?width=300.
- Vitamin_K wikiPageExternalLink green0100.htm.
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- Vitamin_K wikiPageRevisionID "706216638".
- Vitamin_K wikiPageWikiLink 1,4-Naphthoquinone.
- Vitamin_K wikiPageWikiLink 4-Hydroxycoumarins.
- Vitamin_K wikiPageWikiLink Adenosine_triphosphate.
- Vitamin_K wikiPageWikiLink Albert_Snell.
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- Vitamin_K wikiPageWikiLink Amino_acid.
- Vitamin_K wikiPageWikiLink Anaerobic_respiration.
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- Vitamin_K wikiPageWikiLink Broccoli.
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- Vitamin_K wikiPageWikiLink Cabbage.
- Vitamin_K wikiPageWikiLink Calcium.
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- Vitamin_K wikiPageWikiLink Carboxylation.
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- Vitamin_K wikiPageWikiLink Cardiovascular_disease.
- Vitamin_K wikiPageWikiLink Category:Antihemorrhagics.
- Vitamin_K wikiPageWikiLink Category:Naphthoquinones.
- Vitamin_K wikiPageWikiLink Category:Terpenes_and_terpenoids.
- Vitamin_K wikiPageWikiLink Category:Vitamers.
- Vitamin_K wikiPageWikiLink Category:Vitamin_K.
- Vitamin_K wikiPageWikiLink Cauliflower.
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- Vitamin_K wikiPageWikiLink Chard.
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- Vitamin_K wikiPageWikiLink Cytotoxicity.
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- Vitamin_K wikiPageWikiLink Derivative_(chemistry).
- Vitamin_K wikiPageWikiLink Dietary_Reference_Intake.
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- Vitamin_K wikiPageWikiLink Electron.
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- Vitamin_K wikiPageWikiLink Endive.
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- Vitamin_K wikiPageWikiLink Formate.
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- Vitamin_K wikiPageWikiLink Large_intestine.
- Vitamin_K wikiPageWikiLink Leaf_vegetable.
- Vitamin_K wikiPageWikiLink Lettuce.
- Vitamin_K wikiPageWikiLink Malabsorption.
- Vitamin_K wikiPageWikiLink Male.
- Vitamin_K wikiPageWikiLink Matrix_gla_protein.
- Vitamin_K wikiPageWikiLink Mayo_Clinic.
- Vitamin_K wikiPageWikiLink Menadione.
- Vitamin_K wikiPageWikiLink Menatetrenone.
- Vitamin_K wikiPageWikiLink Methyl_group.
- Vitamin_K wikiPageWikiLink Mustard_plant.
- Vitamin_K wikiPageWikiLink Nicotinamide_adenine_dinucleotide.
- Vitamin_K wikiPageWikiLink Nitrate.