Effects of bee pollen and indomethacin on carrageenan-induced paw edema in rats. Bee pollen (300 mg/kg), Water BP (300 mg/kg) and indomethacin (30 mg/kg) were administered orally 60 min before carrageenan injection. (A) Time course of paw edema. (B) The swelling % measured 4 h after carrageenan injection. Values represent the mean ± SD, n = 7. *P < 0.05, **P < 0.01 vs. control (Dunnett's multiple-range test).