Antioxidant flavonoids from <Emphasis Type="Italic">Tamus communis</Emphasis> ssp. <Emphasis Type="Italic">cretica</Emphasis> |
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| Authors: | F Shaheen L Ali S Ali N Erdemoglu B Sener |
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| Institution: | (1) H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan;(2) Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, P.O. Box 43, 06572 Maltepe–Ankara, Turkey |
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| Abstract: | A new flavonoid, kaempferol-3,4′-di-O-α-L-rhamnopyranoside (1), and three known flavonoids (2–4) were isolated from the aerial parts of T. communis L. The structure of the new compound was elucidated on the basis of spectroscopic data. Compounds 1 and 2 showed significant antioxidant activity (IC50 187.151 ± 0.821 μM, and 92.079±0.513 μM, respectively), whereas compounds 3 and 4 showed moderate activity in DPPH free radical scavenging assays.
Published in Khimiya Prirodnykh Soedinenii, No. 3, pp. 295–297, May–June, 2009. |
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| Keywords: | Tamus communis ssp cretica Dioscoreaceae kaempferol-3 4′ -di-O-α -L-rhamnopyranoside flavonoids antioxidant |
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