Antimicrobial, antioxidant and anti‐inflammatory activity of young shoots of the smoke tree, Cotinus coggygria Scop
- 27 December 2012
- journal article
- research article
- Published by Wiley in Phytotherapy Research
- Vol. 27 (11), 1658-1663
- https://doi.org/10.1002/ptr.4919
Abstract
In this study, we investigated the antimicrobial activity of the young shoots of the smoke tree, Cotinus coggygria Scop., Anacardiaceae. The acetone extract and the derived ethyl acetate fraction effectively inhibited the growth of Gram-positive and Gram-negative bacteria (MIC 25–200 µg/ml), while the chloroform fraction showed pronounced activity against the yeast Candida albicans (MIC 3.12 µg/ml). The ethyl acetate fraction exhibited a significant ferric-reducing ability (10.7 mmol Fe2+/g extract), a very high DPPH radical scavenging activity (SC50 = 1.7 µg/ml) and inhibition of lipid peroxidation (IC50 = 41.8 µg/ml). High amounts of total phenolics (929.8 mg/g), tannins (833.8 mg/g) and flavonoids (35.5 mg/g) were determined in the ethyl acetate fraction, which also exerted significant anti-inflammatory (76.7%) and cytotoxic effects (IC50 = 15.6 µg/ml). Copyright © 2012 John Wiley & Sons, Ltd.Keywords
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