Catalysis of the reaction: (R)-3-phenyllactate + NAD+ = 3-phenylpyruvate + H+ + NADH.
Source:PMID:10849007,
GOC:pde,
RHEA:38351
Comment
This enzymatic activity is usually negligible, but may become prominent when phenylalanine levels are abnormally high as in the human disease phenylketonuria (PKU).