Antibacterial activity of crude extracts of some South African medicinal plants against multidrug resistant etiological agents of diarrhoea

Bisi-Johnson, Mary A.; Obi, Chikwelu L.; Samuel, Babatunde B; Eloff, Jacobus N.; Okoh, Anthony I.

doi:10.1186/s12906-017-1802-4

BMC Complementary Medicine and Therapies

Table 2 Average Minimum Inhibitory Concentration values of plant extracts at 2 h and 24 h

From: Antibacterial activity of crude extracts of some South African medicinal plants against multidrug resistant etiological agents of diarrhoea

Bacteria Codes	Plant Extracts and Antibiotic Codes
Bacteria Codes	AC	AA	AS	E1	E2	HY	IQ	MB	SC	PE	PS	UM	GENT
								(mg/ml)
EC 2H	1.25	2.5	2.5	0.625	2.5	2.5	2.5	2.5	2.5	1.25	0.156	2.5	0.039
EC 24H	1.25	0.625	0.625	0.312	0.625	2.5	1.25	2.5	2.5	1.25	0.312	1.25	0.078
EF 2H	0.625	1.25	2.5	0.312	2.5	2.5	1.25	2.5	2.5	0.312	0.078	2.5	0.625
EF 24H	0.625	0.089	0.039	0.156	0.078	2.5	0.625	2.5	0.312	0.625	0.156	0.312	0.625
SA 2H	0.312	2.5	2.5	0.078	0.312	1.25	0.625	2.5	2.5	0.156	0.078	2.5	0.078
SA 24H	0.312	0.018	0.018	0.312	0.156	0.312	0.156	0.078	0.156	0.312	0.156	0.078	0.078
SI 2H	1.25	0.156	0.312	0.156	0.312	2.5	0.625	1.25	1.25	1.25	0.312	1.25	0.625
SI 24H	1.25	1.25	0.625	1.25	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
ST 2H	0.039	0.078	0.312	0.078	0.078	0.625	0.625	1.25	0.312	0.312	0.156	0.625	0.156
ST 24H	0.312	0.156	1.25	0.625	0.312	2.5	1.25	2.5	1.25	0.312	0.312	1.25	1.25
STE- 2H	1.25	2.5	2.5	0.156	0.625	2.5	1.25	2.5	1.25	1.25	0.312	1.25	2.5
STE- 24H	1.25	0.078	0.078	0.156	0.625	1.25	1.25	2.5	0.625	1.25	0.312	0.625	2.5
STE+ 2H	1.25	1.25	2.5	0.156	0.312	2.5	0.625	1.25	1.25	1.25	0.078	1.25	0.078
STE+ 24H	1.25	0.078	0.312	0.312	0.625	2.5	1.25	2.5	1.25	1.25	0.312	0.625	0.156
SHF 2H	0.312	0.078	0.156	0.625	0.625	0.312	0.625	1.25	1.25	0.625	0.078	1.25	0.078
SHF 24H	0.625	0.018	0.078	0.078	0.312	1.25	1.25	2.5	0.625	0.625	0.312	0.312	0.078
SHS 2H	0.625	0.156	0.312	0.312	1.25	2.5	0.625	1.25	2.5	1.25	0.156	2.5	0.156
SHS 24H	0.625	0.039	0.039	0.039	0.312	1.25	0.312	1.25	0.625	0.625	0.312	0.312	0.156
Legend 1: Bacteria codes
Code	Isolates
EC 2H	Escherichia coli at 2 h
EC 24H	Escherichia coli at 24 h
EF 2H	Enterococcus faecalis at 2 h
EF 24H	E. faecalis at 24 h
SA 2H	Staphylococcus aureus at 2 h
SA 24H	S. aureus at 24 h
SI 2H	Salmonella isangi at 2 h
SI 24H	S. isangi at 24 h
ST 2H	Salmonella Typhimurium at 2 h
ST 24H	S. Typhimurium at 24 h
STE- 2H	S. Typhimurium (ESBL negative) at 2 h
STE- 24H	S. Typhimurium (ESBL negative) at 24 h
STE+ 2H	S. Typhimurium (ESBL positive) at 2 h
STE+ 24H	S. Typhimurium (ESBL positive) at 24 h
SHF 2H	Shigella flexneri at 2 h
SHF 24H	Sh. flexneri at 24 h
SHS 2H	Sh. sonnei at 2 h
SHS 24H	Sh. sonnei at 24 h
Legend 2: Plant codes
Code	Plant Extract/ Control
AC	Acacia mearnsii
AA	Aloe arborescence
AS	Aloe striata
CU	Cyathula uncinulata
E1	Eucomis autumnalis
E2	Eucomis comosa
HY	Hypoxis latifolia
MB	Hermbstaedtia odorata
SC	Scilla nervosa
PE	Pelargonium sidoides
PS	Psidium guajava
UM	Hydnora africana
GENT	Gentamycin

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ISSN: 2662-7671

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