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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