Phenolic compounds from aerial parts as chemosystematic markers in the Scorzonerinae (Asteraceae)

Granica, Sebastian and Zidorn, Christian (2015) Phenolic compounds from aerial parts as chemosystematic markers in the Scorzonerinae (Asteraceae) Biochemical Systematics and Ecology, 58 . pp. 102-113. DOI 10.1016/j.bse.2014.11.005.

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In continuation of our chemosystematic survey of the Lactuceae tribe of the Asteraceae family and of the Scorzonerinae subtribe in particular, we have studied the profiles of phenolic compounds of aerial parts of Geropogon glaber L., and seven representatives of each of the genera Scorzonera and Tragopogon. Employing HPLC-MS3, 56 phenolics amongst the seven phenolic acids and 49 flavonoids were characterized. All phenolic acids were assigned as caffeoyl quinic acid derivatives and 15 of the flavonoids were identified as aglyca and glycoside of apigenin, luteolin, and quercetin, whilst the remaining flavonoids were only partially characterized. Multivariate data analyses of the HPLC-DAD quantification data revealed no significant differences between the three genera Geropogon, Scorzonera, and Tragopogon. However, some clusters of chemically very similar species amongst them the group of Tragopogon minor Mill., Tragopogon orientalis L., and Tragopogon pratensis L. (also regarded as subspecies of T. pratensis by some authors) were identified. In contrast, the three taxa of Scorzonera hispanica s.l. (Scorzonera crispatula Boiss., S. hispanica L., and Scorzonera trachysperma Guss.) were chemically less similar and partially clustered with other morphologically less closely related species.

Document Type: Article
Research affiliation: Kiel University > Kiel Marine Science
Refereed: Yes
DOI etc.: 10.1016/j.bse.2014.11.005
ISSN: 03051978
Date Deposited: 29 Jun 2017 13:24
Last Modified: 01 Feb 2018 13:29

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