Phenylketonuria children are advised to avoid specific foods containing phenylalanine due to a dysfunction in the degradation of amino acids that contain:

Phenylketonuria children are advised to avoid specific foods due to a dysfunction in the degradation of amino acids that contains phenylalanine.

Explanation:

Phenylalanine is one of the amino acids that can be found in specific foods like protein diet. Phenylalanine ought to be broken down in a form that the body can use for its normal activity. A dysfunction by the body to breakdown phenylalanine results in elevated levels which results in the condition known as phenylketonuria.  Phenylketonuria is a genetic disorder that can be inherited, in which the body lacks an enzyme known as phenylalanine hydroxylase that is responsible for the break down of phenylalanine.