Pyruvic Acid in the Juice of Onion (Allium Cepa)


SOME years ago, during a search for the presence of reducing substances in plants, I obtained a positive Simon and Piaux1 (nitro-prusside) test for pyruvic acid in oaioa juice. Owing to the intensity of the reaction it seemed worth while to estimate and identify pyruvic acid.

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  1. 1

    Simon, L. J., and Piaux, L., Bull. Soc. Chim. Biol., 6, 477 (1924).

  2. 2

    Simon, E., and Neuberg, C., Biochem. Z., 232, 479 (1931).

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MORGAN, E. Pyruvic Acid in the Juice of Onion (Allium Cepa). Nature 157, 512 (1946) doi:10.1038/157512a0

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