noun🔗SharePhenylalaninAn 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."Example sentence: "People with phenylketonuria (PKU) must carefully limit their intake of phenylalanine from foods like meat and dairy to prevent health problems." "Menschen mit Phenylketonurie (PKU) müssen ihre Aufnahme von Phenylalanin aus Lebensmitteln wie Fleisch und Milchprodukten sorgfältig begrenzen, um Gesundheitsprobleme zu vermeiden.biochemistrymedicinechemistrybiologysubstancecompoundphysiologyfoodChat with AIVocabulary GamePractice Reading