Values are means ± SD. Calculated from n=10 in each group.
1 p =0.005 compared to treatment Group I (control group) (ANOVA)
2 p <0.001 compared to treatment Group I (control group), II and III (ANOVA)
3 p =0.001
4 p <0.001 compared to treatment Group I (control group) and II (ANOVA)
5 p =0.020 compared to treatment Group I (ANOVA), Treatment Group I (TG I) received drink water daily for 5 day (control group)., Treatment Group II (TG II) received 0.9 mg/kg peppermint oil daily for 5 days, Treatment Group III (TG III) received 27 mg/kg peppermint oil daily for 5 day, Treatment Group IV (TG IV) received 60 mg/kg peppermint oil daily for 5 day.