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Benzoxazinoid Allelochemicals in Wheat: Distribution among Foliage, Roots, and Seeds

AutorVillagrasa, Marta; Guillamón, Miriam; Labandeira Robés, Ana Mª; Taberner, Andreu; Eljarrat, Ethel; Barceló, Damià
Palabras claveAllelochemicals
Hydroxamic acids
Wheat varieties
Fecha de publicación24-jun-2006
EditorAmerican Chemical Society
CitaciónJournal of Agriculture and Food Chemistry 54(4):1009-1015(2006)
ResumenIn this study, the distribution of eight allelochemicals among the foliage, roots, and seeds of different wheat varieties is reported for two different sampling campaigns, corresponding to two consecutive years. The determination of benzoxazinoid derivatives was performed by combining pressurized liquid extraction−solid-phase extraction followed by liquid chromatography−electrospray mass spectrometry. To the authors' knowledge, there are no previous works about the content of allelochemicals in seed tissue of germinated wheat seedlings. Allelochemicals found in seeds were detected at levels similar to those found in foliage and roots. The results showed that the type of metabolites detected depends strongly on the working up procedure of the plant material, as well as of plant growth stage. A general decrease of the total amount of allelochemical content in the plants was observed with plant age. There was a significant difference in the total amount of benzoxazinoid derivatives in the different wheat varieties analyzed
Descripción7 pages, 4 figures, 2 tables.
Versión del editorhttp://dx.doi.org/10.1021/jf050898h
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