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Vitamin B 6 Drug class Pyridoxal 5'-phosphate, the metabolically active form of vitamin B 6 Class identifiers Use Vitamin B 6 deficiency ATC code A11H Biological target enzyme cofactor Clinical data Drugs.com International Drug Names External links MeSH D025101 Legal status In Wikidata Vitamin B 6 is one of the B vitamins, and is an essential nutrient for humans. The term essential nutrient ...
Pyridoxine (PN) [4] is a form of vitamin B 6 found commonly in food and used as a dietary supplement.As a supplement it is used to treat and prevent pyridoxine deficiency, sideroblastic anaemia, pyridoxine-dependent epilepsy, certain metabolic disorders, side effects or complications of isoniazid use, and certain types of mushroom poisoning. [5]
Pyridoxine 5′-phosphate oxidase is the enzyme that catalyzes the rate-limited step of the B 6 metabolism pathway. Vitamin B 6, which is also known as pyridoxine, is a crucial nutrient for the human body, as it is responsible for more bodily functions than any other vitamin.
Pyridoxal phosphate has numerous roles in human body. A few examples below: Metabolism and biosynthesis of serotonin. Pyridoxal phosphate is a cofactor of aromatic L-amino acids decarboxylase. This allows for conversion of 5-hydroxytryptophan (5-HTP) into serotonin (5-HT). This reaction takes place in serotonergic neurons.
l-DOPA is produced from the amino acid l-tyrosine by the enzyme tyrosine hydroxylase. l-DOPA can act as an l-tyrosine mimetic and be incorporated into proteins by mammalian cells in place of l-tyrosine, generating protease-resistant and aggregate-prone proteins in vitro and may contribute to neurotoxicity with chronic l-DOPA administration. [10]
The following year, Frederick Hopkins postulated that some foods contained "accessory factors" – in addition to proteins, carbohydrates, fats etc. – that are necessary for the functions of the human body. [24] Jack Drummond's single-paragraph article in 1920 which provided structure and nomenclature used today for vitamins
Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.