Anti-Biofilm, Antibacterial, and Anti-Quorum Sensing Activities of Selected South African Plants Traditionally Used to Treat Diarrhoea

Table 3

Minimum inhibitory concentration (in mg/mL) of different extracts against Escherichia coli ATCC 25922.

Plant name	Extracts
	Methanol/water	Methanol/DCM	Hot water	Ethanol	Acetone
Searsia pendulina	2.50	0.63	0.63	1.25	0.08
Searsia leptodictya	0.16	1.25	0.63	1.25	0.08
Searsia gueinzii	1.14	2.08	2.50	1.87	0.37
Searsia lancea	0.24	0.29	0.63	0.08	0.04
Searsia batophylla	0.32	0.29	ND	0.47	0.11
Brachylaena transvaalensis	1.25	1.25	0.63	0.83	0.63
Bauhinia galpinii	1.25	1.25	0.63	0.83	0.08
Bauhinia bowkeri	1.25	2.50	1.14	0.63	0.07
Bauhinia variegata	0.32	0.63	0.32	0.47	0.21
Gentamicin	0.005