Abstract
Abstract
To purify the flavonoids from Chromolaena odorata (COF) and evaluate its antioxidant activities in vitro. Methods: The COF were purified by macroporous adsorption resin with optimal purification process, and its antioxidant activities were evaluated by scavenging rate of DPPH free radical, ABTS free radical and superoxide anion radical. Results: The COF were obtained using with AB-8 macroporous adsorption resin washed by 60 % ethanol at the flow rate of 2.0 mL/min, and the purity was 74.22 %. After purification, the scavenging activities of COF on DPPH free radical, ABTS free radical and superoxide anion radical, were 91.36 %, 90.13 % and 93.17%, repectively. The purified COF also showed a certain reducing power. Conclusions: The COF showed strong antioxidant activity in vitro.
Subject
General Physics and Astronomy
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