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Visualization of the damage induced by hydroxyl radicals on genomic DNA in the presence and absence of water extract from P. densiflora by agarose gel electrophoresis. Lane 1, DNA incubated without Fenton’s reagent; Lane 2, DNA incubated with Fenton’s reagent; Lanes 3~5, DNA incubated with Fenton’s reagent in the presence of 250 μg/mL, 500 μg/mL, and 1000 μg/mL of WPD, respectively.
