“It preferentially hydrolyzes peptide bonds involving tyrosine, phenylalanine, and tryptophan.”

“The essential amino acids are histidine, tryptophan, threonine, valine, phenylalanine, leucine, methionine, lysine, and isoleusine.”

“Aspartame is an odorless, white crystalline powder derived from two amino acids, aspartic acid and phenylalanine.”

“A classic example of an autosomal recessive inborn error of metabolism is phenylketonuria.”

“Tuberous sclerosis, untreated phenylketonuria and fragile X syndrome are genetic syndromes associated with autism.”

“Persons with a rare hereditary disease known as phenylketonuria must control their phenylalanine intake from all sources, including Aspartame.”