Phenolic compounds from aerial parts as chemosystematic markers in the Scorzonerinae (Asteraceae) |
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| Affiliation: | 1. Department of Pharmacognosy and Molecular Basis of Phytotherapy, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland;2. Institute of Pharmacy, Department of Pharmacognosy, University of Innsbruck, CCB, Innrain 80-82, Innsbruck, Austria;1. Dept. of Biological Sciences, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA;2. Everglades National Park, 40001 State Road 9336, Homestead, FL 33034, USA;1. Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey;2. Department of Biology, Faculty of Science, Istanbul University, Istanbul, Turkey;3. Department of Biochemistry, Faculty of Medicine, Marmara University, Istanbul, Turkey;4. Department of Biochemistry, Faculty of Dentistry, Istanbul University, Istanbul, Turkey;1. Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China;2. Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China;3. School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China;4. School of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing 210009, China;5. Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, Nanjing 210009, China;1. Nanjing University of Chinese Medicine Wuxi Affiliated Hospital: Wuxi Hospital of Traditional Chinese Medicine, Wuxi 214000, China;2. Nanjing Xinshiyue Biotechnology CO., LTD, Nanjing 211100, China |
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| Abstract: | 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. |
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| Keywords: | Geropogon Scorzonerinae Asteraceae Cichorieae Flavonoids Phenolic acids Chemosystematics |
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