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Phenylalanine ball and stick model spinning. Phenylalanine (symbol Phe or F) [3] is an essential α-amino acid with the formula C 9 H 11 NO 2.It can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine.
In humans, catecholamines and phenethylaminergic trace amines are derived from the amino acid L-phenylalanine. By oral route , phenethylamine's half-life is 5–10 minutes; [ 10 ] endogenously produced PEA in catecholamine neurons has a half-life of roughly 30 seconds. [ 3 ]
Aspartame is an artificial non-saccharide sweetener commonly used as a sugar substitute in foods and beverages. [4] 200 times sweeter than sucrose, it is a methyl ester of the aspartic acid/phenylalanine dipeptide with brand names NutraSweet, Equal, and Canderel. [4]
In the process, metabolites, or byproducts, of the drug are produced, which can linger in our blood, urine (and even in our hair) for long after the initial effects of the drug are felt.
The amino acids phenylalanine and tyrosine are precursors for catecholamines. Both amino acids are found in high concentrations in blood plasma and the brain. In mammals, tyrosine can be formed from dietary phenylalanine by the enzyme phenylalanine hydroxylase, found in large amounts in the liver.
^a EINECS number 200-568-1 (phenylalanine) ^a CID 994 from PubChem (phenylalanine) ... This page was last edited on 12 January 2024, at 23:28 (UTC).
Maintain plasma phenylalanine values in therapeutic range of 120 to 360 mM using a diet that restricts phenylalanine but otherwise nutritionally complete. Treatment for life is recommended to reduce the risk of long term neuropsychiatric problems and reduce the risk of maternal PKU syndrome.
Related: Cancer-Causing 'Forever Chemicals' Found in Many Kinds of Contact Lenses, Study Finds The issue, the statement says, comes from a synthetic polymer called fluoroelastomer, which is used ...