results : the comparison of the amino acid concentrations in saliva of phenylketonuric children with healthy children ( male = 34 , female = 31 ) ( ages 6-13 years ) showed , that vast majority of amino acids - taurine , serine , glutamine , glycine , alanine , citrulline , a-aminobutyric acid , valine , isoleucine , leucine , tyrosine , phenylalanine , ornithine , lysine , delta-aminovaleric acid - were excreted significantly lower in saliva of phenylketonuric children .
C0002520
amino acids
C0017797
glutamine