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Effect of paeonol on MPO activity in carrageenan-injected paws. Paeonol (30, 50 or 100 mg kg−1, i.p.) was administered 30 min before carrageenan injection. Paw tissue was removed for determination of MPO activity, 4 h after injection of carrageenan. **P<0.01, #P<0.001 vs vehicle-treated and carrageenan-injected group (n=6 in each group).
