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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