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Título: | Methyl jasmonate foliar application to Tempranillo vineyard improved grape and wine phenolic content |
Autor: | Portu, Javier CSIC ORCID ; Santamaría, Pilar CSIC; López Alfaro, Isabel CSIC ORCID; López Martín, Rosa CSIC; Garde-Cerdán, Teresa CSIC ORCID | Palabras clave: | Elicitor Flavonols Grapevine treatment Stilbenes Vitis vinifera L. cv. Tempranillo Anthocyanins |
Fecha de publicación: | 2015 | Editor: | American Chemical Society | Citación: | Journal of agricultural and food chemistry 63(8): 2328-2337 (2015) | Resumen: | The importance of phenolic compounds for grape and wine quality has drawn attention to studying different practices with the aim of increasing their content. Cluster application of elicitors is a viticultural practice that has shown promising results in recent years. However, cluster application requires a previous defoliation, which is time-consuming and expensive. In the present study, methyl jasmonate was foliar applied to Tempranillo grapevines in order to study its effect on grape and wine phenolic composition. Methyl jasmonate foliar application increased anthocyanin and stilbene content in both grape and wine, besides enhancing wine flavonol content. This treatment induced the synthesis of 3-O-glucosides of petunidin and peonidin and trans-p-coumaroyl derivatives of cyanidin and peonidin. For stilbenes, trans-piceid content was considerably increased in both grape and wine. The results obtained suggest that methyl jasmonate foliar application could be a simple and accessible practice to enhance grape and wine quality. | Versión del editor: | http://doi.org/10.1021/jf5060672 | URI: | http://hdl.handle.net/10261/146032 | DOI: | 10.1021/jf5060672 | Identificadores: | e-issn: 1520-5118 issn: 0021-8561 |
Aparece en las colecciones: | (ICVV) Artículos |
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Revised manuscript_JAFC_63_2328-2337_2015.pdf | 309,45 kB | Adobe PDF | Visualizar/Abrir |
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