investigation of plasma amino acid concentrations during a spontaneous hypoglycemia revealed an increase in the branched-chain amino acids valine ( 4.1 ) , leucine ( 7.8 ) and isoleucine ( 1.7 mg/100 ml ) , while alanine was decreased ( 1.2 mg/100 ml ) and ketonuria was present .
C0002521
branched-chain amino acids
C0022192
isoleucine