Definition, Meaning & Synonyms
phenylalanine
noun
/ˌfɛnɪlˈælənin/

Definition
Phenylalanine is an essential amino acid that is a building block of proteins.

Examples
- Phenylalanine is found in high-protein foods like meat and dairy.
- Some people with phenylketonuria (PKU) must limit their intake of phenylalanine.

Meaning
It is a type of amino acid that the body cannot produce on its own, meaning it must be obtained through diet.

Synonyms
- Amino acid