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Table 3 To show analgesic activity of Artemisia macrocephala (tail flick method) and standard

From: A mechanistic approach to anti-nociceptive potential of Artemisia macrocephala Jacquem

Treatment/dose

Time in sec (tail flick)/response (%)

15 min

30 min

45 min

60 min

75 min

90 min

Control (2 % Tween 80)

0.79±0.035

0.89±0.025

0.97±0.027

0.94±0.036

0.87±0.027

0.93±0.045

Crd 150 mg 300 mg

0.97±0.130 (18.55 %)

1.24±0.124* (28.22 %)

1.69±0.139 (42.60 %)

2.10±0.122** (55.23 %)

2.34±0.134** (62.82 %)

2.05±0.124** (54.63 %)

1.09±0.130* (27.52 %)

1.40±0.121* (36.42 %)

1.92±0.129** (49.47 %)

2.77±0.130** (66.06 %)

3.18±0.165*** (72.64 %)

3.03±0.140*** (69.30 %)

Chf 100 mg 200 mg

1.10±0.995* (28.18 %)

1.35±0.399* (34.07 %)

1.98±0.236** (51.01 %)

3.37±0.220** (72.10 %)

3.75±0.213*** (76.80 %)

3.31±0.237*** (71.90 %)

1.16±0.029* (31.89 %)

1.41±0.021* (36.87 %)

2.10±0.042** (53.80 %)

5.29±0.060** (82.23 %)

4.33±0.041*** (79.90 %)

4.47±0.057*** (79.19 %)

EtOA 100 mg 200 mg

1.04±0.214* (24.03 %)

1.29±0.241* (31.00 %)

1.87±0.361** (48.12 %)

3.10±0.421** (69.67 %)

3.38±0.302** (74.26 %)

2.76±0.280*** (66.30 %)

1.10±0.201* (28.18 %)

1.33±0.202* (33.08 %)

1.91±0.350** (49.21 %)

3.19±0.435** (70.53 %)

3.30±0.313*** (73.63 %)

2.79±0.291*** (66.66 %)

Standard (Morphine 5 mg)

1.52 ±0.024 (48.02 %)

2.03 ±0.066 (56.15 %)

3.89±0.038 (75.06 %)

6.30±0.054 (85.07 %)

4.40±0.050 (80.22 %)

4.30±0.074 (78.37 %)

N +Crd 150 mg 300 mg

0.79±0 .1 0 8

0 .95±0 .044

0 . 99±0.045

0.99±0.064

0.95±0.026

0.81±0.042

0.84±0.046

0.98±0.031

1.14±0.047

0.99±0.035

0.96±0.051

0.92±0.034

N +Chf 100 mg 200 mg

0.93±0.048

0.92±0.036

1.10±0.031

1.10±0.047

0.90±0.038

0.93±0.061

0.87±0.037

0.91±0.065

1.50±0.049

0.99±0.038

0.89±0.029

0.95±0.044

N +EtOA 100 mg 200 mg

0 . 89±0.03 3

0 .93±0 .0 5 1

1.20±0.051

1.11±0.034

0.91±0.061

0.90±0.056

0.85±0.037

0.90±0.065

0.99±0.049

1.12±0.038

0.91±0.029

0.99±0.044

Morphine (5 mg) + Naloxone (2 mg)

0.77±0.022

0.87±0.036

0.94±0.040

0.91±0.034

0.91±0.030

0.91±0.042

  1. All the values were expressed as mean ±SEM. *P<0.05, **P<0.01 and ***P<0.001 when compared to control group (one way ANOVA followed by Dunnett’s: compared all vs control test)
  2. Key: Crd crude methanolic extract, chf chloroform fraction, EtOA ethyl acetate fraction, N naloxone 2 mg