Antibacterial activities of the methanol extracts of ten Cameroonian vegetables against Gram-negative multidrug-resistant bacteria

Noumedem, Jaurès AK; Mihasan, Marius; Lacmata, Stephen T; Stefan, Marius; Kuiate, Jules R; Kuete, Victor

doi:10.1186/1472-6882-13-26

BMC Complementary Medicine and Therapies

Table 3 Susceptibility of bacteria to plant extracts - MICs of methanol extracts vs chloramphenicol

From: Antibacterial activities of the methanol extracts of ten Cameroonian vegetables against Gram-negative multidrug-resistant bacteria

Bacteria strains	MIC (μg/ml) of the plant extracts
Bacteria strains	A. hybridus	V. hymenolepis	L. sativa	L. capensis	S. edule	M. esculenta	P. vulgaris	C. pepo	S. nigrum	C. frutescens	Chloramphenicol¹
*E. coli*
ATCC8739	256	1024	512	512	256	256	1024	512	512	512	4
ATCC10536	128	256	128	256	128	256	-	256	128	-	4
W3110	256	512	256	256	256	512	-	128	256	-	8 (< 2)
MC4100	512	1024	512	1024	256	512	1024	256	512	1024	16 (< 2)
AG100A	256	512	512	512	256	512	-	512	512	1024	< 2 (< 2)
AG100Atet	256	512	512	512	256	512	-	512	512	1024	64 (< 2)
AG102	1024	128	1024	512	512	128	-	-	256	512	64 (< 2)
AG100	128	1024	128	512	512	512	-	256	128	-	8 (< 2)
*E. aerogenes*
ATCC13048	128	1024	256	256	256	256	1024	256	256	-	8
EA294	512	512	512	512	512	1024	-	512	512	1024	16
CM64	128	128	256	256	128	256	1024	512	256	512	256 (8)
EA3	256	256	128	128	256	128	1024	128	128	-	256 (128)
EA298	256	512	256	256	256	256	1024	128	256	1024	64 (< 2)
EA27	512	128	256	-	512	512	-	512	256	512	≥ 256 (< 2)
EA289	-	512	1024	256	512	256	1024	128	1024	256	≥ 256 (64)
*K. pneumoniae*
ATCC11296	256	512	256	512	512	512	512	256	256	-	8
KP55	256	512	256	512	256	512	1024	256	256	256	32 (4)
KP63	256	256	256	256	256	256	-	512	256	512	64 (< 2)
K2	512	-	512	512	1024	512	-	1024	512	1024	32 (< 2)
K24	512	1024	512	512	512	-	1024	512	512	1024	16 (< 2)
*P. aeruginosa*
PA01	256	512	512	256	256	512	-	256	512	-	16
PA124	512	1024	512	512	512	512	-	512	512	-	32 (< 2)
*P. stuartii*
ATCC29916	128	128	256	1024	128	1024	-	1024	256	-	16
NAE16	128	512	256	256	256	256	1024	512	256	-	64 (8)
PS2636	512	512	256	256	256	256	-	256	256	512	32
PS299645	512	1024	1024	512	512	512	-	512	1024	-	32 (< 2)
*E. cloacae*
BM47	128	256	512	1024	256	1024	-	128	512	-	≥ 256 (< 2)
ECCI69	256	512	512	256	256	128	-	256	512	-	≥ 256 (16)
BM67	256	512	512	256	256	512	1024	128	512	1024	128 (32)

The results are shown as average values from three separate experiments.
(−) MIC > 1024 μg/ml.
¹ - chloramphenicol was used as a reference antibiotic. MIC was measured in absence and presence of PAßN (in brackets).

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ISSN: 2662-7671

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