Table 3 Effect of aqueous extract of burdock roots on penile reflexes (test for potency)
From: Effect of aqueous extract of Arctium lappa L. (burdock) roots on the sexual behavior of male rats
Parameter | Mean frequency ± S.E.M. | ||||
|---|---|---|---|---|---|
Control | Burdock extract 300 mg/kg | Burdock extract 600 mg/kg | Burdock extract 1,200 mg/kg | Viagra (60 mg/kg) | |
Erection | 6.6 ± 0.9 | 8.0 ± 1.1 | 10.2 ± 1.2* | 11.2 ± 1.3** | 12.4 ± 1.1** |
Quick flips | 5.2 ± 0.9 | 6.8 ± 0.9 | 8.6 ± 1.2* | 9.8 ± 1.2** | 11.4 ± 1.4** |
Long flips | 2.3 ± 0.4 | 3.4 ± 0.8 | 4.6 ± 0.8* | 7.8 ± 1.1** | 8.2 ± 0.9** |
Total penile reflex | 14.1 ± 2.2 | 18.2 ± 2.8 | 23.4 ± 3.2* | 28.8 ± 3.6** | 32.0 ± 3.4** |