Figure 4

Effects on body weight (A) and blood glucose concentration (B) after 14 days of oral administration of 10 mL/kg 4% Tween 80 (negative control), 500 mg/kg metformin (positive control), and 500 mg/kg and 1000 mg/kg PE to diabetic rats. Each value represents the mean ± SD for five rats. **P < 0.01 compared with negative control rats.