Samples

Dosages (g/kg)

Number of mice

Writhing times within 20 min

Control group

——

10

25.5 ± 4.19

Positive group 1

0.6

10

15.4 ± 1.86

Positive group 2

0.2

10

11.7 ± 2.17*

R

0.6

10

23.87 ± 3.82

P

0.6

10

12.7 ± 2.58*

S

0.6

10

20.8 ± 1.92

D1

0.6

10

16.1 ± 3.68

D2

0.6

10

12.1 ± 1.49*

D3

0.6

10

14.2 ± 1.42*