Research Article

Muscle Relaxant and Sedative-Hypnotic Activities of Extract of Viola betonicifolia in Animal Models Supported by Its Isolated Compound, 4-Hydroxy Coumarin

Table 1

Effects of VBME (%) on muscle relaxation (Chimney test and Traction test).

Group Dose/kgChimney test (%)Traction test (%)
30 min60 min90 min30 min60 min90 min

Control 10 mL0 ± 0.000 ± 0.000 ± 0.000 ± 0.000 ± 0.000 ± 0.00
Diazepam 1 mg100 ± 0.00***100 ± 0.00***100 ± 0.00***100 ± 0.00***100 ± 0.00***100 ± 0.00***
VBME 0.3 g10.12 ± 0.8814.11 ± 0.9711.09 ± 2.1112.54 ± 1.1015.23 ± 2.1310.34 ± 1.90
0.4 g55.13 ± 1.23*61.56 ± 0.65*58.23 ± 0.56*65.02 ± 0.23*72.12.04 ± 0.56*68.04 ± 0.34*
0.5 g77.08 ± 0.11**80.76 ± 0.02**80.55 ± 0.21**75.05 ± 0.12**78.03 ± 0.08**77.67 ± 0.00**

Values represent the percentages of mice ( ) showing negative effects in Chimney and Traction tests, 30, 60, and 90 min after treatment with distilled water (10 mL/kg), VBME (0.3, 0.4, and 0.5 g/kg), or diazepam (1 mg/kg). Data are presented as mean ± S.E.M ( ). , , , all compared with control.