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Table 1 MIC and MBC (μg/mL) of Nauclea pobeguinii extracts and chloramphenicol on the panel of tested bacteria

From: Antibacterial and antibiotic-resistance modifying activity of the extracts and compounds from Nauclea pobeguinii against Gram-negative multi-drug resistant phenotypes

Bacterial strains

Tested samples, MIC and MBC (μg/mL)

NPB

NPL

CHL

Escherichia coli

  

 ATCC8739

512 (>1024)

128 (>1024)

8 (256)

 ATCC10536

32 (1024)

256 (>1024)

16 (32)

 W 3110

1024 (>1024)

>1024

64 (128)

 MC4100

256 (>1024)

256 (>1024)

128 (128)

 AG100 A

1024 (>1024)

1024 (>1024)

64 (64)

 AG100Atet

256 (256)

512 (1024)

64 (128)

 AG102

1024 (>1024)

512 (>1024)

64 (64)

 AG100

64 (256)

512 (>1024)

16 (64)

Enterobacter aerogenes

  

 ATCC13048

1024 (>1024)

1024 (>1024)

8 (32)

 EA294

1024 (>1024)

>1024

16 (128)

 CM64

1024 (>1024)

>1024

128 (>256)

 EA298

64 (1024)

1024 (1024)

256 (>256)

 EA27

512 (>1024)

256 (>1024)

>256

 EA289

>1024

1024 (>1024)

256 (>256)

 EA3

512 (>1024)

1024 (>1024)

>256

Klebsiella pneumoniae

  

 ATCC11296

256 (>1024)

256 (>1024)

8 (256)

 KP55

128 (>1024)

128 (>1024)

32 (128)

 KP63

1024 (>1024)

256 (>1024)

128 (>256)

 K2

512 (>1024)

>1024

64 (256)

 K24

1024 (>1024)

512 (>1024)

32 (256)

Pseudomonas aeruginosa

  

 PA01

>1024

1024 (>1024)

128 (>256)

 PA124

1024 (>1024)

>1024

256 (>256)

Providencia stuartii

  

 ATCC29916

1024 (>1024)

>1024

16 (32)

 PS2636

512 (1024)

>1024

32 (32)

 PS299645

1024 (>1024)

512 (1024)

32 (256)

 NEA16

512 (>1024)

512 (>1024)

256 (>256)

Enterobacter cloacae

  

 BM47

1024 (>1024)

>1024

256 (>256)

 ECCI69

256 (512)

512 (1024)

>256

 BM67

>1024

>1024

256 (>256)

  1. The Tested extract were obtained from the bark (NPB) and leaves (NPL); Values in bold; significant activity
  2. CHL chloramphenicol, MIC Minimal Inhibitory Concentration, MBC Minimal Bactericidal Concentration