noun🔗Share苯丙氨酸 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." "患有苯丙酮尿症(PKU)的人必须严格限制从肉类和乳制品等食物中摄入的苯丙氨酸,以防止健康问题。biochemistrymedicinechemistrybiologysubstancecompoundphysiologyfoodChat with AIVocabulary GamePractice Reading