Abstract
On gas chromatographic determination of preservatives in wine, there was a peak on the gaschromatogram which seemed to be one of the ordinary constituents of wine, near the peak of benzoic acid. The peak obstructed the analysis on some conditions of gas chromatography. The constituent of the obstacle was identified as ethyl succinate and detected from red and white wines and raw material wines. Then we confirmed that it was impossible to distinguish it from benzoic acid on some temperature conditions of gas chromatography.
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