title: Improved assay for phenylpyruvic acid.
mesh_terms: D000645:Ammonium Sulfate; D001151:Arsenic; D001881:Borates; D011232:Chemical Precipitation; D003509:Cyclohexanecarboxylic Acids; D006863:Hydrogen-Ion Concentration; D007535:Isomerases / Q000032:analysis / Q000302:isolation & purification; D008722:Methods; D010667:Phenylpyruvic Acids / Q000032:analysis*; D010710:Phosphates; D010944:Plants / Q000201:enzymology; D013053:Spectrophotometry; D014466:Ultraviolet Rays
chemical_list: D001881:Borates; D003509:Cyclohexanecarboxylic Acids; D010667:Phenylpyruvic Acids; D010710:Phosphates; D007535:Isomerases; D001151:Arsenic; D000645:Ammonium Sulfate