Letter | Published:

Specificity of the Salicylic Aldehyde Reaction of Csonka-Straub

Nature volume 140, page 427 (04 September 1937) | Download Citation

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Abstract

SOME time ago Straub (in Szent-Györgyi's laboratory) described a colorimetric method for the determination of pyruvic acid, similar to the method previously proposed by Csonka for the determination of acetone. In the presence of salycyclic aldehyde and concentrated potassium hydroxide, both substances develop a yellow colour, suitable for colorimetry. Having met with the necessity of determining pyruvic acid in the presence of several other ketoacids, I have made a study of the specificity range of this reaction and obtained the following results.

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  1. Laboratory of Oxidation-Reduction Processes, All-Union Institute of Experimental Medicine, Moscow. July 30.

    • A. E. BRAUNSTEIN

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DOI

https://doi.org/10.1038/140427b0

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