Definition of phenylpyruvic acid in US English:

phenylpyruvic acid

noun

Biochemistry Chemistry
  • A colourless crystalline acid, C₆H₅CH₂CO(COOH), which is a product of phenylalanine metabolism found in large quantities in the blood and urine of phenylketonurics.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society.