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Table 1 Latency period in hot plate analgesic assay

From: Evaluation of analgesic, anti-inflammatory, anti-depressant and anti-coagulant properties of Lactuca sativa (CV. Grand Rapids) plant tissues and cell suspension in rats

Sr. No.

Treatment Groups (n = 5)

Dose

Latency period (sec) ± S.D.

0 h

0.5 h

1 h

2 h

Group-I

Negative control (saline)

1 ml/Kg

5.3 ± 0.51

5.6 ± 0.49

5.4 ± 0.55

5.1 ± 0.53

Group-II

Aspirin

10 mg/Kg

9.4 ± 0.61

14.9 ± 0.81**

17.8 ± 0.89**

15.4 ± 0.68**

Group-III

Cell suspension exudate

1 ml/Kg

8.9 ± 0.48

12.7 ± 0.61*

15.3 ± 0.58*

13.1 ± 0.49*

Group-IV

Leaf MC

1 g/Kg

9.7 ± 0.56

13.9 ± 0.78*

17.5 ± 0.85*

15.8 ± 0.64*

Group-V

Seed MC

1 g/Kg

6.8 ± 0.35

9.2 ± 0.28**

11.4 ± 0.62*

10.1 ± 0.71**

Group-VI

Leaf aqueous

1 g/Kg

9.5 ± 0.55

14.6 ± 0.59**

17.6 ± 0.43*

15.7 ± 0.75*

Group-VII

Seed aqueous

1 g/Kg

7.2 ± 0.51

9.9 ± 0.29*

12.2 ± 0.48*

10.9 ± 0.62*

  1. Values are expressed in mean ± S.D. * p < 0.05, ** p < 0.01 statistically significant as compared to control group