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Título: | Feasibility study on the use of ATR-FTIR spectroscopy as a tool for the estimation of wine polysaccharides |
Autor: | Baca-Bocanegra, Berta; Martínez-Lapuente, Leticia; Nogales-Bueno, Julio; Hernández-Hierro, José Miguel; Ferrer-Gallego, Raúl | Palabras clave: | ATR-FTIR Polysaccharides Wine Chemometrics GC–MS |
Fecha de publicación: | 1-jul-2022 | Editor: | Elsevier | Citación: | Carbohydrate Polymers 287: 119365 (2022) | Resumen: | Polysaccharides are the main macromolecules of colloidal nature in wines. These compounds play a critical role in stabilizing other molecules in solution and thus modifying the wine processing and organoleptic properties. Different analytical techniques have been proposed for their determination. However, most of them are complicated and time-consuming. To overcome these drawbacks, Fourier transform infrared spectroscopy (FTIR) has been evaluated in this study for the estimation of wine polysaccharides in a fast and non-destructive way. Spectral data have been correlated with wine polysaccharide contents by modified partial least squares regression (MPLS) using different spectral pretreatments. MPLS models developed have revealed the potential of FTIR analysis for the routine screening of polysaccharides rich in arabinose and galactose (PRAG), rhamnogalacturonans types II (RG-II), mannoproteins (MP) and total soluble polysaccharides (TSP) in wine samples, obtaining standard errors of prediction from 6.07 to 8.44%. Monitoring the wine polysaccharides can assist in the elaboration of the wines according to their requirements and improving quality to satisfy consumer preferences. | Versión del editor: | http://dx.doi.org/10.1016/j.carbpol.2022.119365 | URI: | http://hdl.handle.net/10261/283726 | DOI: | 10.1016/j.carbpol.2022.119365 | Identificadores: | doi: 10.1016/j.carbpol.2022.119365 issn: 0144-8617 e-issn: 1879-1344 |
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