noun🔗ShareフェニルアラニンAn 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." "フェニルケトン尿症（PKU）の人は、健康上の問題を防ぐために、肉や乳製品などの食品からのフェニルアラニンの摂取を慎重に制限する必要があります。biochemistrymedicinechemistrybiologysubstancecompoundphysiologyfoodChat with AIVocabulary GamePractice Reading
