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Título: | Durum Wheat (Triticum durum L.) Landraces Reveal Potential for the Improvement of Grain Carotenoid Esterification in Breeding Programs |
Autor: | Requena-Ramírez, María Dolores CSIC ORCID; Hornero-Méndez, Dámaso CSIC ORCID ; Rodríguez-Suárez, Cristina CSIC ORCID ; Atienza, Sergio G. CSIC ORCID | Palabras clave: | Carotenoids Durum wheat Esters Landraces Lutein |
Fecha de publicación: | 2-abr-2021 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Foods 10(4): 757 (2021) | Resumen: | Carotenoids are essential in the human diet for their important functions in health. Besides, they are responsible for the yellow pigments desirable for industrial quality in durum wheat. The remarkable carotenoid content of durum wheat endosperm is mostly due to lutein. However, lutein esters have not been previously detected in durum wheat as in other cereals such as common wheat, tritordeum or Hordeum chilense. Esterification increases carotenoid stability and allows greater retention and accumulation through the food chain. Therefore, carotenoid esterification is revealed as a new key target in breeding. We characterized the carotenoid profile of 156 accessions of the Spanish durum wheat collection, searching for landraces with esterification ability. Interestingly, four accessions produced lutein monoesters and diesters. Also, traces of lutein monoesters were detected in eleven accessions. The identification of the first durum wheat accessions with esterification ability reported herein is a remarkable advance for carotenoid biofortification. Furthermore, variation for the relative content of zeaxanthin, α-carotene and β-carotene was also observed. This diversity for the β,ε and β,β branches of the carotenogenic pathway also represents a new opportunity for breeding for specific carotenoids in biofortification programs. | Descripción: | 10 Páginas.-- 4 Figuras.-- 1 Tabla | Versión del editor: | http://dx.doi.org/10.3390/foods10040757 | URI: | http://hdl.handle.net/10261/237162 | DOI: | 10.3390/foods10040757 | Identificadores: | doi: 10.3390/foods10040757 issn: 2304-8158 |
Aparece en las colecciones: | (IG) Artículos (IAS) Artículos |
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