dl-phenyllactate , an inhibitor of glycolic acid oxidase and glycolic acid dehydrogenase , reduced the amount of [ 14c ] oxalate recovered in the urine of rats given the [ 14c1 ] -labeled aromatic amino acids , but increased the amount of [ 14c ] glycolate formed from l- [ 14c1 ] phenylalanine and l- [ 14c1 ] tyrosine and the amount of [ 14c ] glycolate produced from [ 14c1 ] tryptophan .
C0301713
aromatic
C0041249
tryptophan