Artículo
Impact of adding white pomace to red grapes on the phenolic composition and color stability of syrah wines from a warm climate
Autor/es | Gordillo Arrobas, Belén
Cejudo Bastante, María Jesús Rodríguez Pulido, Francisco José Jara Palacios, Mª José Ramírez Pérez, Pilar González-Miret Martín, María Lourdes Heredia Mira, Francisco José |
Departamento | Universidad de Sevilla. Departamento de Nutrición y Bromatología, Toxicología y Medicina Legal Universidad de Sevilla. Departamento de Química Analítica |
Fecha de publicación | 2014-03-26 |
Fecha de depósito | 2024-03-05 |
Publicado en |
|
Resumen | The influence of the fermentative addition of Pedro Ximenez grape pomace (PXGP, white variety) on the phenolic composition and color of Syrah red wines from a warm climate was studied. Changes on phenolic composition (HPLC), ... The influence of the fermentative addition of Pedro Ximenez grape pomace (PXGP, white variety) on the phenolic composition and color of Syrah red wines from a warm climate was studied. Changes on phenolic composition (HPLC), copigmentation/polymerization (spectrophotometry), and color (tristimulus colorimetry) allowed differences among the maceration treatments to be established. PXGP additions at the rates studied increased the extraction of total phenolics, phenolic acids, and monomeric flavanols. However, the effect on the anthocyanins, copigmentation, and polymerization depended on the doses applied, with important consequences on the color. PXGP addition at 10% led to wines with higher polymerization, more stable colors, and bluish hues. in contrast, perceptibly lighter and less intense wines were obtained with PXGP addition at 20%. Thus, the use of white grape byproducts as wine additives at appropriate levels (10% w/w) could improve the phenolic potential of red young wines from a warm climate, contributing to preserve their color characteristic. |
Agencias financiadoras | Junta de Andalucía Ministerio de Ciencia e Innovación (MICIN). España |
Identificador del proyecto | P10-AGR06331
AGL2011-30254-C02-02 |
Cita | Gordillo Arrobas, B., Cejudo Bastante, M.J., Rodríguez Pulido, F.J., Jara Palacios, M.J., Ramírez Pérez, P., González-Miret Martín, M.L. y Heredia Mira, F.J. (2014). Impact of adding white pomace to red grapes on the phenolic composition and color stability of syrah wines from a warm climate. Journal of Agricultural and Food Chemistry, 62 (12), 2663-2671. https://doi.org/10.1021/jf405574x. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
Impact of adding white_C.pdf | 8.077Mb | [PDF] | Ver/ | Versión aceptada |