Purpose: Blood phenylalanine monitoring is critical for the management of phenylketonuria. We compared three methods for measuring blood phenylalanine concentration: the amino acid analyzer ...

Phenylketonuria occurs when the body cannot effectively break down phenylalanine. This leads to the buildup of toxic levels ...

However, tyramine and phenylalanine are two compounds found in peanut butter that have been associated ... An enzyme known as monoamine oxidase (MAO) is responsible for processing tyramine in the body ...