Determination of acids and volatile compounds in red Txakoli wine by high-performance liquid chromatography and gas chromatography

The Txakoli is a wine from the north of Spain with acid characteristics and medium ethanol content. We report the comparative results obtained from red Txakoli elaborated with different grape varieties. We have used chromatographic methods for the characterization of this wine. The volatile compound...

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Bibliographic Details
Published in:Journal of Chromatography A 1998-10, Vol.823 (1), p.349-354
Main Authors: Escobal, A., Iriondo, C., Laborra, C., Elejalde, E., Gonzalez, I.
Format: Article
Language:English
Subjects:
1-Propanol - analysis
Acetates - analysis
Biological and medical sciences
Chromatography, Gas - methods
Chromatography, High Pressure Liquid - methods
Ethanol - analysis
Fermented food industries
Food industries
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
Malates - analysis
Organic acids
Potassium - analysis
Spain
Tartrates - analysis
Volatile organic compounds
Volatilization
Wine - analysis
Wines and vinegars
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Summary:The Txakoli is a wine from the north of Spain with acid characteristics and medium ethanol content. We report the comparative results obtained from red Txakoli elaborated with different grape varieties. We have used chromatographic methods for the characterization of this wine. The volatile compounds were analyzed by means of gas chromatography and the organic acid content was determined by a newly validated liquid chromatographic procedure. The aim of this study is to characterize the red Txakoli and to know the major differences between Hondarrabi Beltza grape variety and the other varieties. Hondarrabi Beltza grape variety is the one which was awarded the Generic Label. The major differences observed in the samples obtained from Hondarrabi Beltza variety are their higher contents in ethanol, propanol, ethyl acetate and tartaric and malic acids.
ISSN:0021-9673
DOI:10.1016/S0021-9673(98)00468-3