Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6650
Title: Specialized metabolites from the aerial parts of Centaurea polyclada DC.
Authors: Demir, Serdar
Karaalp, Canan
Bedir, Erdal
Keywords: Amino acid conjugate
Asteraceae
Centaurea polyclada
Sesquiterpene
Specialized metabolite
Issue Date: Nov-2017
Publisher: Elsevier Ltd.
Source: Demir, S., Karaalp, C., and Bedir, E. (2017). Specialized metabolites from the aerial parts of Centaurea polyclada DC. Phytochemistry, 143, 12-18. doi:10.1016/j.phytochem.2017.07.002
Abstract: The genus Centaurea L. (Asteraceae) is represented by 200 taxa in the flora of Turkey and several Centaurea species are used as herbal remedies against different conditions. Previous phytochemical investigations on this genus generally revealed the isolation of sesquiterpene lactones and flavonoid derivatives. In our continuous search on Centaurea genus, a phytochemical study was performed on Centaurea polyclada DC., an endemic of West Anatolia. Previously undescribed two sesquiterpene-amino acid conjugates, an elemane and an eudesmane derivative were isolated from the aerial parts of Centaurea polyclada, together with eight known compounds; two elemane derivatives, three flavonoids, a lignan, a phenolic glucoside and a phenylpropanoid glucoside. Structural elucidation of the compounds was based on spectroscopic evidence, including 1D and 2D NMR and high-resolution mass spectrometry, chemical degradation results and reference data comparison. Sesquiterpene-amino acid conjugates are representatives of an unusual group of sesquiterpenes, and elemane-amino acid conjugates are herein reported for the first time in nature.
URI: http://doi.org/10.1016/j.phytochem.2017.07.002
http://hdl.handle.net/11147/6650
ISSN: 0031-9422
1873-3700
Appears in Collections:Bioengineering / Biyomühendislik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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