Alkyl- and alkenylresorcinols of wheat grains and their chemotaxonomic significance

Zeitschrift Für Naturforschung. C, a Journal of Biosciences
Robert ZarnowskiStanislaw J Pietr

Abstract

Resorcinolic lipid contents and homologue compositions in extracts isolated from soft winter, soft spring and hard (durum) wheat grains were evaluated by both instrumental and chromatography means. Resorcinol concentrations determined in wheat were diverse and varied in samples harvested within two consecutive vegetative years, whereas their homologue profiles were found to be rather invariable. The predominant alkylresorcinols identified in wheat grains were saturated 1,3-dihydroxy-5-n-heneicosylbenzene and 1,3-dihydroxy-5-n-nonadecylbenzene. 1,3-Dihydroxy-5-n-heptadecylbenzene and 1,3-dihydroxy-5-n-tricosylbenzene were also determined, whereas 1,3-dihydroxy-5-n-pentadecylbenzene and 1,3-dihydroxy-5-n-pentacosylbenzene were present in these extracts only in spurious amounts. Furthermore, our results show that alk(en)ylresorcinols may be useful as chemotaxonomic markers for a distinction between soft and hard wheat plants. Cluster analysis with Ward's amalgamation algorithm and five different distance linkage types clearly discriminated particular wheats into species- and cultivar-specific clusters, whereas the use of principal component analysis allowed us to specify, which of the variables analysed were decisive. This approac...Continue Reading

Citations

Jul 30, 2016·International Journal of Molecular Sciences·Laura RighettiChiara Dall'Asta
May 15, 2015·Zeitschrift Für Naturforschung. C, a Journal of Biosciences·Elżbieta G MagnuckaRobert Zarnowski
May 19, 2007·Journal of Medical Microbiology·Robert ZarnowskiJon P Woods
Sep 12, 2020·Zeitschrift Für Naturforschung. C, a Journal of Biosciences·Elżbieta G MagnuckaStanisław J Pietr
Oct 17, 2008·Journal of Agricultural and Food Chemistry·Annica A M AnderssonPer Aman
Aug 1, 2008·Journal of Agricultural and Food Chemistry·Mariola KulawinekRobert Zarnowski

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