Biomedical mass spectrometry 1985-04-01

Identification of urinary 3-ethoxy-4-hydroxybenzoic and 3-ethoxy-4-hydroxymandelic acids after dietary intake of ethyl vanillin.

O A Mamer, J A Montgomery, R J Deckelbaum, E Granot

Index: Biomed. Mass Spectrom. 12(4) , 163-9, (1985)

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Abstract

It has been discovered recently that several patients undergoing urinary organic acid profiling excrete high concentrations of 3-ethoxy-4-hydroxybenzoic acid and traces of 3-ethoxy-4-hydroxymandelic acid. These are believed to be the consequences of feeding the patients with synthetic diets flavoured with 3-ethoxy-4-hydroxybenzaldehyde, a vanilla-like artificial flavouring added to improve patient acceptance and taste. The syntheses, mass spectra and gas chromatographic behaviour of these and related compounds are presented.

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