Abstract
An optimized method to determine carboxylic acids in wine based on pre-column derivatization with phenacyl bromide is reported. The determination of the different acids has been carried out using a linear gradient elution involving water and methanol. The method has been optimized by the Simplex method using a modification of CRF (chromatographic response factor) as the criterion for selectivity optimization. After validation, the method was applied to determine carboxylic acids in red and white wines and grape must of the Tarragona region.
- Received November 1989.
- Copyright 1990 by the American Society for Enology and Viticulture
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Vol 41 Issue 4
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