Validation of Antimycobacterial Plants Used by Traditional Healers in Three Districts of the Limpopo Province (South Africa)

Table 3

Minimal inhibitory concentration (MIC) values (mg/mL) of selected plant species against M. smegmatis after 24 hours of incubation at 37°C.

Extractant	Minimal inhibitory concentration (mg/mL)
	A. dimidiata	A. afra	C. hereroense	L. javanica	Z. capense	Average
Hexane	n/a	n/a	1.25	0.62	2.5	1.46
DCM	0.94	0.62	0.62	1.25	2.5	1.19
Acetone	0.62	0.39	0.47	0.47	0.62	0.51
Methanol	1.90.	1.25	1.90	1.25	na	1.5
Average	0.78	0.75	1.06	0.90	1.87

Rifampicin = 125 µg/mL.
Key: no activity (n/a).