noun
- Plural of phenylalanine; amino acids with a benzene ring side chain, essential for protein synthesis and found in many foods.
Usage: biochemistry; nutrition; plural form
Examples
- Phenylalanines are one of the essential amino acids that the human body cannot produce on its own.
- Foods rich in phenylalanines include meat, fish, eggs, and dairy products.
- People with phenylketonuria must limit their intake of phenylalanines in their diet.
- The body uses phenylalanines to synthesize important neurotransmitters like dopamine and norepinephrine.
- Nutritionists often discuss the role of phenylalanines in maintaining proper brain function.