SOME years ago, during a search for the presence of reducing substances in plants, I obtained a positive Simon and Piaux 1 (nitro-prusside) test for pyruvic acid in oaioa juice. Owing to the intensity ...

DETERMINATIONS of α-ketoglutaric acid and pyruvic acid in blood, cerebrospinal fluid and urine have been carried out using 2,4-dinitrophenylhydrazone method. 1 The keto-acid hydrazones were separated, ...