Noun: phenylalanine ,fee,nI-ul'a-lu,neen or ,fe-n(u)l'a-lu,neen
- 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
"People with phenylketonuria must carefully monitor their phenylalanine intake"
Derived forms: phenylalanines
Type of: essential amino acid
Encyclopedia: Phenylalanine