Localization of alkylresorcinols in wheat, rye and barley kernels
2008
Landberg, R. | Kamal-Eldin, A. | Salmenkallio-Marttila, M. | Rouau, Xavier, X. | Aman, P., - | Swedish University of Agricultural Sciences = Sveriges lantbruksuniversitet (SLU) | VTT Technical Research Centre of Finland (VTT) | Ingénierie des Agro-polymères et Technologies Émergentes (UMR IATE) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Université Montpellier 2 - Sciences et Techniques (UM2)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Université de Montpellier (UM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) | European Commission in the Communities 6th Framework Program, Project HEALTHGRAIN (FP6-514008)
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Показать больше [+] Меньше [-]Английский. Cereal alkylresorcinols (AR), a group of phenolic lipids mainly found in the outer parts of wheat and rye kernels, are currently being studied for the possibility to use them as biomarkers for the intake of whole grain wheat and rye foods. In this work, AR were localised ill grains by using light microscopy and gas chromatographic analysis of hand-dissected botanical and pearling fractions. GC-analysis of hand-dissected fractions showed that more than 99% of the total AR content was located in an intermediate layer of the caryopsis, including the hyaline layer, testa and inner pericarp. Microscopic examination showed that the outer cuticle of testa/inner cuticle of pericarp was the exact location, and that no AR were found in the endosperm or in the germ, suggesting that AR could be used as a selective marker of testa.
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