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2020-07-01

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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/173391

Organic acid profiling by liquid chromatography for the characterization of base vines and sparkling wines

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https://doi.org/10.1007/s12161-020-01808-1

Resum

A rapid and reliable method based on liquid chromatography with UV detection has been developed here to determine the main organic acids in base and sparkling wines of the protected designation of origin Cava. Compounds have been separated by reversed-phase mode with a water/acetonitrile solution (95:5 v/v adjusted to pH 2). Figures of merit established at 210 nm are fully compatible with the wine analysis, with correlation coefficients better than 0.996, repeatabilities around 2%, and detection limits generally below 1 g L-1. A total of 53 base wine and 140 cava samples from differentcoupageshave been analyzed. Compositional profiles of organic acids have been used as the source of analytical information for characterization and classification purposes. Results have shown that varietal and blending issues, malolactic fermentation, and tartaric acid stabilization affect the composition of organic acids.

Matèries

Àcids orgànics, Cromatografia de líquids, Vins escumosos

Matèries (anglès)

Organic acids, Liquid chromatography, Sparkling wines

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Articles publicats en revistes (Enginyeria Química i Química Analítica)

Citació

IZQUIERDO-LLOPART, Anais, CARRETERO, Aida and SAURINA, Javier. Organic acid profiling by liquid chromatography for the characterization of base vines and sparkling wines. Food Analytical Methods. 2020. Vol. 13, num. 10, pags. 1852-1866. ISSN 1936-9751. [consulted: 4 of August of 2026]. Available at: https://hdl.handle.net/2445/173391

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