evaluation of antioxidant activities of aqueous extracts and fractionation of different parts of <em>elsholtzia </em><em>ciliata</em>
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ID: 177737
2012
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Abstract
The aim of this study was to investigate the antioxidant and free-radical scavenging activity of extract and fractions from various parts of <em>Elsholtzia ciliata</em>. The inflorescences, leaves, stems and roots of <em>E. ciliata</em> were extracted separately and two phenolic component enrichment methods: ethyl acetate-water liquid-liquid extraction and macroporous resin adsorption-desorption, were adopted in this study. The antioxidant activities of water extracts and fractions of <em>E. ciliata</em> were examined using different assay model systems <em>in vitro</em>. The fraction root E (purified by HPD300 macroporous resin) exhibited the highest total phenolics content (497.2 ± 24.9 mg GAE/g), accompanied with the highest antioxidant activity against various antioxidant systems <em>in vitro</em> compared to other fractions. On the basis of the results obtained, <em>E. ciliata</em> extracts can be used potentially as a ready accessible and valuable bioactive source of natural antioxidants.
| Reference Key |
zu2012moleculesevaluation
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|---|---|
| Authors | ;Yuangang Zu;Lin Zhang;Chunjian Zhao;Hongshuang Ge;Xiangping Liu;Jia Jia;Lei Yang;Fengjian Yang |
| Journal | Journal of ethnopharmacology |
| Year | 2012 |
| DOI |
10.3390/molecules17055430
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| URL | |
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