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Effect of OFP-EA extract on hydroxyl radical scavenging activity.
(a) The capacities to scavenge the hydroxyl free radicals by different concentrations of OFP-EA extract. (b) ESR spectra. Data are expressed as mean±SEM of six observations. *P<0.05 compared with untreated control group by Student's t-test. OFP-EA: Olea europaea fruit pulp ethyl acetate extract.
