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Título: | Postharvest changes in white asparagus cell wall during refrigerated storage |
Autor: | Rodríguez-Arcos, Rocío CSIC ORCID ; Jiménez Araujo, Ana CSIC ORCID ; Guillén-Bejarano, Rafael ; Heredia Moreno, Antonia CSIC ; Fernández-Bolaños Guzmán, Juan CSIC ORCID | Fecha de publicación: | 1999 | Editor: | American Chemical Society | Citación: | Journal of Agricultural and Food Chemistry 47: 3551-3557 (1999) | Resumen: | The postharvest changes of the white asparagus cell wall have been studied in relation to the toughening process along the length of a spear that was divided into three sections: apical, middle, and basal. Polysaccharides underwent significant turnover during storage. Uronic acid concentration decreased in all sections and in almost all polysaccharide fractions, while neutral sugars increased very slightly in the apical section, decreased in the middle, and increased in the basal one. Xylose, glucose, and galactose are the main neutral sugars implicated in the turnover; xylose accumulated in the hemicellulose fractions of the middle and basal sections, glucose decreased in the hemicellulose and cellulose fractions of the middle section and increased in the cellulose fraction of the basal one, and galactose disappeared mostly from the cellulose fractions of the three sections. Lignin increased most in the middle section and least in the basal one. No increase was detected in the apical one. No important increases of wall phenolics were detected in any part of the spear. The hardening process was limited only to the basal section. | Versión del editor: | https://doi.org/10.1021/jf981295r | URI: | http://hdl.handle.net/10261/332766 | DOI: | 10.1021/jf981295r | ISSN: | 0021-8561 |
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