phenylalanine

IPA: finʌɫˈæɫʌnˈin

(biochemistry) An essential amino acid C₉H₁₁NO₂ found in most animal proteins; it is essential for growth; the inability to metabolize it leads to phenylketonuria; it is a constituent of aspartame.

Examples of "phenylalanine" in Sentences

It helps synthesize the body from the phenylalanine which is another type of amino acid.
Contains phenylalanine, an amino acid that helps relay signals from one brain cell to another.
You see, I don't do sugarless, and in particular aspartame, phenylalanine and all that other junk.
And in fact there is a ‘vaccine’ — or more accurately, a treatment (low-phenylalanine diets) — that eliminates this retardation.
One of the reasons for this side effect, researchers have discovered, is because the phenylalanine in aspartame dissociates from the ester bond.
PKU is described by scientists as an autosomal recessive genetic disease that is characterized by a deficiency in an enzyme called phenylalanine hydroxylase (PAH).
The investigators found that the bypass patients had much lower levels of amino acids known as branched-chain amino acids, and the amino acids phenylalanine and tyrosine.
- Amino acid deficiency - Amino acids such as phenylalanine, tyrosine and tryptophan provide the basis for the body's production of important neuro-transmitters in the body.