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Table 5 Antibacterial activity determined as zone of inhibition (mm), minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of selected plant extracts against selected bacterial strains

From: Antimicrobial activity, toxicity and anti-inflammatory potential of methanolic extracts of four ethnomedicinal plant species from Punjab, Pakistan

  Zone of inhibition (mm)
Plant extracts A. baumannii K. pneumoneae P. aeruginosa S. aureus
A. indica 14 ± 1 13 ± 1.4 16 ± 1.2 15 ± 1.3
C. pedicellata 18 ± 2 20 ± 1.5 23 ± 0.96 22 ± 1.2
M. indica 14 ± 0.9 13 ± 1.7 12 ± 1.1 18 ± 1.3
T. terrestris (leaf) 15 ± 1.2 16 ± 1.2 19 ± 1.3 17 ± 1.1
T. terrestris (fruit) 17 ± 0.9 18 ± 0.85 22 ± 1.1 18 ± 0.86
Streptomycin 27 ± 1.3 27 ± 0.98 25 ± 1.2 29 ± 1.01
  A. baumannii K. pneumoneae P. aeruginosa S. aureus
  MIC (μg/mL) MBC (μg/mL) MIC (μg/mL) MBC (μg/mL) MIC (μg/mL) MBC (μg/mL) MIC (μg/mL) MBC (μg/mL)
A. indica 150 ± 4.5 640 ± 10 90 ± 1.5 355 ± 2.2 55 ± 1.21 220 ± 3.5 200 ± 4.3 750 ± 10
C. pedicellata 35 ± 1.9 150 ± 6.3 15 ± 1.1 85 ± 1.1 5 ± 0.23 40 ± 1.2 10 ± 1 55 ± 1
M. indica 210 ± 7.6 820 ± 11 95 ± 8.5 390 ± 2.3 60 ± 0.9 200 ± 3 70 ± 1.4 250 ± 2.1
T. terrestris (leaf) 50 ± 2.1 250 ± 7.8 30 ± 1.1 125 ± 1.4 10 ± 0.57 60 ± 3.5 15 ± 1 80 ± 1.2
T. terrestris (fruit) 45 ± 1.9 200 ± 6.5 25 ± 1 100 ± 1.1 8 ± 0.42 50 ± 2.9 12 ± 1 70 ± 1.1
Streptomycin 20 ± 1.2 90 ± 1.8 3 ± 0.4 10 ± 0.5 1 ± 0.11 3 ± 0.3 5 ± 0.9 15 ± 1.4