Compound

Dose mg/kg

Percentage inhibition

1 Hrs

2 Hrs

3 Hrs

5 Hrs

Control

10 ml/kg

5.110 ± 0.286

6.135 ± 0.268

5.689 ± 0.364

3.334 ± 0.912

Standard (Diclofenac Sodium)

25 mg/kg

26 ± 0.295

30 ± 0.225

34 ± 0.915

28 ± 0.626

NP-1

100 mg/kg

25 ± 0.106

32 ± 0.619

38 ± 0.268

32 ± 0.006

NP-2

100 mg/kg

27 ± 0.113

37 ± 0.185

43 ± 0.135

35 ± 0.168

NP-3

100 mg/kg

26 ± 0.402

32 ± 0.369

35 ± 0.962

27 ± 0.662

NP-4

100 mg/kg

27 ± 0.0.278

35 ± 0.465

40 ± 0.113

32 ± 0.534

NP-5

100 mg/kg

0.2 ± 0.268

6.135 ± 0.268

6.135 ± 0.268

6.135 ± 0.268