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Table 4 Minimal inhibitory concentration (MIC) and minimal bactericidal (MBC) of the plant extracts and CHL on the studied bacterial species

From: Antibacterial and antibiotic resistance modifying activity of the extracts from allanblackia gabonensis, combretum molle and gladiolus quartinianus against Gram-negative bacteria including multi-drug resistant phenotypes

Bacteria used Tested samples, MIC and MBC (μg/mL)
Allanblackia gabonensis Gladiolus quartinianus (GQW) Combretum molle (CML) Chloramphenicol
Flowers (AGFl) Fruits (AGF) Leave (AGL) Stem barks (AGB) Root barks (AGR)
  MIC MBC MIC MBC MIC MBC MIC MBC MIC MBC MIC MBC MIC MBC MIC MBC
E. coli                 
ATCC8739 64 512 16 256 512 - 64 256 64 256 1024 - 256 1024 2 32
ATCC10536 64 512 32 256 512 1024 32 128 64 256 1024 - 512 512 1 32
AG100 - - 1024   - - 1024 - 512 - - - 512 1024 8 128
AG100A 128 512 64 256 512 512 128 512 128 512 - - 512 1024 0.5 64
AG100ATet 1024 - 512 - - - 1024 - 1024 - - - 1024 - 64 256
AG102 1024 - 1024 - - - 1024 - 1024 - - - 1024 - 32 >256
MC4100 256 512 128 1024 512 - 256 512 512 - 1024 - 256 1024 32 >256
W3110 256 - 256 512 512 1024 64 512 256 1024 - - 512 1024 8 128
E. aerogenes                 
ATCC13048 128 1024 16 128 256 1024 32 512 32 512 1024 - 1024 - 8 64
CM64 - - 1024 - - - -   -   - - 1024 - >256 >256
EA27 512 1024 128 512 512 - 128 512 128 512 - - 1024 1024 64 256
EA3 1024 - - - 1024 - 512 - 512 - - - 1024 - 128 >256
EA289 1024 - 1024 - - - - - 1024 - - - 1024 - 128 >256
EA298 1024 - - - -   - - - - - - 1024 - 64 >256
EA294 128 256 64 512 256 1024 64 512 128 1024 1024 - 128 512 16 64
E. cloacae                 
ECCI69 - - 1024 - - - - - 1024 - - - - - >256 >256
BM47 - - 1024 - - - 1024 - - - - - - - >256 >256
BM67 - - - - - - - - - - - - 1024 - >256 >256
K. pneumoniae                 
ATCC11296 128 1024 16 128 256 1024 32 256 32 256 1024 - 512 1024 4 32
KP55 64 256 64 256 1024 - 256 1024 64 512 - - 512 1024 64 256
KP63 128 256 64 256 256 1024 128 512 128 256 - - 512 - 64 256
K24 - - 1024   -   1024 - 1024 - - - 1024 - 32 256
K2 128 1024 32 128 512 1024 128 256 64 256 - - 256 1024 16 256
P. stuartii                 
ATCC29916 64 512 16 128 256 512 128 512 64 256 - - 512 512 8 128
NEA16 1024 - 1024 - -   - - - - - - 1024 - 64 256
PS2636 32 512 64 128 512 - 256 256 128 512 - - 512 - 32 256
PS299645 128 1024 128 - 128 512 256 512 128 512 - - 512 512 32 256
P. aeruginosa                 
PA01 512 1024 512 512 512   512 1024 512 - 1024 - 512 1024 32 256
PA124 - - -   -   -   - - - - 1024 - 64 >256
  1. - - : MIC and MBC not detected at up to 1024 μg/mL, Values in bold represent significant antibacterial activity of the plant extract