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Table 6 Effects of crude extract, fractions and subfractions of I. dipyrena on hot plate and involvement of opioid system

From: Evaluation of antinociceptive activity of Ilex dipyrena Wall. in mice

Treatment

Doses

0 min

30 min

60 min

90 min

120 min

At 60 min

Control

–

3.19 ± 1.57

3.07 ± 2.01

3.15 ± 1.12

3.09 ± 1.21

3.11 ± 2.14

–

Crd-Id

100

3.29 ± 2.15

5.31 ± 1.11

7.79 ± 1.10***

7.11 ± 1.91

6.69 ± 1.74

57.15%

Crd-Id

200

3.40 ± 1.51

5.77 ± 1.46

8.54 ± 1.10***

8.02 ± 1.91

7.21 ± 2.31

63.11%

Chl- Id

75

3.12 ± 2.31

6.31 ± 1.91

9.61 ± 2.31**

9.13 ± 1.51

8.11 ± 1.46

67.22%

Et- Id

75

3.21 ± 1.63

6.41 ± 1.47

8.07 ± 1.62***

9.72 ± 1.35

8.19 ± 2.71

60.96%

Fr.Chl-Id 46

75

3.61 ± 1.73

6.32 ± 1.71

8.19 ± 1.38***

9.18 ± 1.53

8.27 ± 2.11

61.53%

Fr.Chl-Id 47

75

3.28 ± 2.05

5.49 ± 1.91

8.87 ± 1.09***

7.59 ± 1.56

6.58 ± 1.47

64.48%

Fr.Chl-Id 48

75

3.13 ± 2.11

6.27 ± 1.31

9.87 ± 1.47**

10.21 ± 2.17

9.34 ± 1.49

68.08%

Tramadol

20

3.01 ± 1.18

7.71 ± 1.21

17.01 ± 1.91***

12.19 ± 1.37

11.21 ± 1.67

81.48%

Crd- Id +Naloxone

100 + 2

3.09 ± 1.14

3.07 ± 1.59

3.32 ± 2.12

3.29 ± 1.91

3.01 ± 1.91

–

Crd- Id +Naloxone

200 + 2

3.02 ± 1.41

3.11 ± 1.91

3.22 ± 1.67

3.31 ± 1.83

3.12 ± 1.67

–

Chl- Id +Naloxone

75 + 2

3.01 ± 2.21

3.16 ± 1.16

3.41 ± 1.87

3.11 ± 2.31

3.12 ± 1.29

–

Et- Id +Naloxone

75 + 2

3.03 ± 1.51

3.42 ± 1.13

3.11 ± 1.28

3.57 ± 1.72

3.16 ± 2.01

–

Fr.Chl-Id 46 + Naloxone

75 + 2

3.11 ± 1.22

3.33 ± 1.87

3.37 ± 1.76

3.41 ± 1.24

3.30 ± 1.19

–

Fr.Chl-Id 47 + Naloxone

75 + 2

3.38 ± 1.67

3.52 ± 1.91

3.56 ± 1.31

3.31 ± 1.71

3.49 ± 1.87

 

Fr.Chl-Id 48 + Naloxone

75 + 2

3.37 ± 1.91

3.18 ± 1.28

3.21 ± 1.93

3.42 ± 1.37

3.11 ± 2.03

–

Tramadol+Naloxone

20 + 2

3.21 ± 1.31

3.17 ± 2.11

3.41 ± 1.61

3.29 ± 1.92

3.17 ± 1.16

–

  1. Each value is represented as Mean ± SEM (n = 8). Where, *P < 0.05, **P < 0.01 and ***P < 0.001 statistically significant relative to control. Crd-Id Crude extract, Hex-Id n-hexane fraction, Chl-Id chloroform fraction, Et-Id Ethyl acetate fraction, Fr.Chl-Id 46, 47 and 48 subfractions