Artículo
Assessment of Sensory and Texture Profiles of Grape Seeds at Real Maturity Stages Using Image Analysis
Autor/es | Cejudo Bastante, María Jesús
Rodríguez Pulido, Francisco José Heredia Mira, Francisco José González-Miret Martín, María Lourdes |
Departamento | Universidad de Sevilla. Departamento de Nutrición y Bromatología, Toxicología y Medicina Legal |
Fecha de publicación | 2021 |
Fecha de depósito | 2021-06-29 |
Publicado en |
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Resumen | The usefulness of digital image analysis in estimating sensory attributes of grape seeds in relation to maturation level was evaluated for the first time. Seeds from Syrah grapes harvested throughout the ripening period ... The usefulness of digital image analysis in estimating sensory attributes of grape seeds in relation to maturation level was evaluated for the first time. Seeds from Syrah grapes harvested throughout the ripening period were grouped according to maturity using the DigiEye® system. The discriminant ability, homogeneity, repeatability, and uniformity of a sensory panel were assessed after training on grape seeds. The aim was to evaluate the use of digital image techniques in order to accurately establish the maturity level of grape seeds, based on sensory and textural features. All sensory attributes (color, hardness, cracking, vegetal, bitterness and astringency) showed significant (p < 0.05) correlations with the chemical maturity stage. Color and vegetal (sensory attributes), together with deformation energy (instrumental texture parameter) (De), allowed for the classification of the seeds into four real maturity stages, hence their usefulness as grape seed ripening indicators. Significant (p < 0.05) and high-correlation factors were also found between instrumental and sensory attributes. Therefore, digital analysis can be a useful tool to better define the maturity stage in the vineyard, and to dispose of grape seeds with well-defined sensory profiles for specific oenological applications. This could help to determine the optimal harvest date to manage winemaking, in order to produce high quality wines in warm climates. |
Agencias financiadoras | Agencia Estatal de Investigación. España AGL2017-84793-C2 |
Identificador del proyecto | AGL2017-84793-C2
US-1261752 |
Cita | Cejudo Bastante, M.J., Rodríguez Pulido, F.J., Heredia Mira, F.J. y González-Miret Martín, M.L. (2021). Assessment of Sensory and Texture Profiles of Grape Seeds at Real Maturity Stages Using Image Analysis. Foods, 10 (5), 1098. |
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