noun🔗SharePhénylalanineAn 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." "Les personnes atteintes de phénylcétonurie (PCU) doivent limiter avec soin leur consommation de phénylalanine provenant d'aliments comme la viande et les produits laitiers pour éviter les problèmes de santé.biochemistrymedicinechemistrybiologysubstancecompoundphysiologyfoodChat with AIVocabulary GamePractice Reading