Skip to main content

Table 3 Minimal Inhibitory Concentration (MIC) in μg/mL of methanol extracts from the studied plants and chloramphenicol

From: Antibacterial and antibiotic-modifying activities of three food plants (Xanthosoma mafaffa Lam., Moringa oleifera (L.) Schott and Passiflora edulis Sims) against multidrug-resistant (MDR) Gram-negative bacteria

Bacterial strains

Tested samples, MIC and MBC and MIC in the presence of PAßN in parenthesis (μg/mL)

Xanthosoma mafaffa

Passiflora edulis

Moringa oleifera

Chloramphenicol

MIC

MBC

R

MIC

MBC

R

MIC

MBC

R

MIC

MBC

R

E. coli

ATCC8739

-

-

-

256

-

-

256

-

-

4

-

-

AG100

256 (512)

-

-

128 (<4)

1024

8

128 (256)

-

-

4 (<4)

256

64

AG100A

512

1024

2

512

1024

2

512

-

-

2

64

32

AG102

1024 (512)

-

-

512 (1024)

1024

2

256 (1024)

-

-

8 (<4)

-

-

AG100ATet

256 (-)

-

-

1024 (-)

-

-

1024 (-)

1024

1

64 (32)

256

4

W3110

1024

-

-

256

-

-

256

-

-

8

16

2

E. aerogenes

ATCC13048

-

-

-

256

-

-

1024

-

-

8

128

16

EA289

512 (1024)

-

-

512 (1024)

1024

2

1024 (1024)

-

-

64 (32)

512

8

EA27

256 (16)

-

-

256 (16)

-

-

1024 (1024)

-

-

64 (<4)

512

8

EA298

-

-

-

512

-

-

-

-

-

32

256

8

CM64

- (-)

-

-

- (-)

-

-

- (-)

-

-

256 (4)

256

1

K. pneumoniae

ATCC11296

256

-

-

256

-

-

-

-

-

4

512

128

KP55

1024 (512)

-

-

512 (1024)

-

-

256 (1024)

-

-

64 (16)

128

2

KP63

1024 (512)

-

-

512 (1024)

-

-

- (-)

-

-

256 (32)

256

1

K24

-

-

-

1024

-

-

-

-

-

64

256

4

P. aeruginosa

PA01

-

-

-

256

-

-

1024

-

-

16

256

16

PA124

- (-)

-

-

- (-)

-

-

- (-)

-

-

64 (4)

512

8

P. stuartii

ATCC29914

-

-

-

512

-

-

1024

-

-

8

32

4

NEA16

512 (1024)

-

-

256 (1024)

-

-

1024 (1024)

-

-

32 (4)

256

8

  1. R: MIC/MBC; -: MIC > 1024 or not detected; (): values in parenthesis are MIC of substance in the presence of PAßN at 30 μg/mL