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The methanol extracts from 60 plant extracts were prepared and evaluated for their antioxidative activity. Arctium lappa, Diospyros kaki, Eugenia caryophyllata, Melia azedarach and Forsythia suspensa showed the inhibitory activity against lipid peroxidation. Caesalpinia sappan, Crataegus pinnatifida, Eugenia caryophyllata, Gleditsia japonica, Osmunda japonica, Rhus javanica and Sanguisorba officinalis showed the highest inhibitory activity against DPPH radical formation. In particular, Eugenia caryophyllata demonstrated strong inhibitory activity on the lipid peroxidation and free radicals. The results suggested that selected plant extracts have a potential as natural antioxidant.
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