phenylalanine


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Related to phenylalanine: Phenylalanine hydroxylase

phen·yl·al·a·nine

 (fĕn′əl-ăl′ə-nēn′, fē′nəl-)
n.
An essential amino acid, C9H11NO2, that occurs as a constituent of many proteins and is converted to tyrosine in the body.

phenylalanine

(ˌfiːnaɪlˈæləˌniːn; ˌfɛnɪl-) or

phenylalanin

n
(Elements & Compounds) an aromatic essential amino acid; a component of proteins

phen•yl•al•a•nine

(ˌfɛn lˈæl əˌnin, -nɪn, ˌfin-)

n.
a crystalline, water-soluble, essential amino acid, C6H5CH2CH(NH2)COOH, necessary to the nutrition of humans and most animals, occurring in egg white and skim milk. Abbr.: Phe; Symbol: F
[1880–85]

phen·yl·al·a·nine

(fĕn′əl-ăl′ə-nēn′)
An essential amino acid. See more at amino acid.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phenylalanine - an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
Translations
fenylalanin
Phenylalanin
phénylalanine
フェニルアラニン
fenyloalanina

phenylalanine

n fenilalanina
References in periodicals archive ?
The product is intended to decrease blood phenylalanine levels in adult patients with phenylketonuria (PKU) who have uncontrolled blood phenylalanine levels on existing management.
suitable for patients who require a low protein and/or low phenylalanine diet for the treatment of phenylketonuria and similar amino acid abnormalities.
A blood test performed routinely on babies between the eighth and fourteenth day after the birth to check for phenylketonuria, an inherited disorder in which an amino acid, phenylalanine, accumulates in the blood and tissues, usually leading to severe brain damage unless treated.
The main determinant of brain tryptophan and serotonin concentrations does not appear to be plasma tryptophan alone, but the ratio of this amino acid to other plasma neutral amino acids (that is, tyrosine, phenylalanine, leucine, isoleucine, and valine) that compete with it for uptake into the brain.
The recipe includes phenylalanine, an amino acid that stimulates cholecystokinin - a peptide hormone secreted by the brain to suppress hunger.
This enzyme has a higher activity for tyrosine than for phenylalanine and is useful for the production of para-hydroxycinnamic acid directly from tyrosine.
First they selected from a pool of RNA molecules the very few that could bind to a modified version of phenylalanine, one of the 20 amino acids that make up proteins.
PKU is caused by a deficiency of hepatic phenylalanine hydroxylase (1).
This is an unusual text in that it is purely tabular matter and even lists items like lactose and phenylalanine, as they could be listed in formulations.
If too much phenylalanine accumulates in the blood of a baby with PKU (which can happen even before birth), it can result in mental retardation.

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