Evaluation of the antimycobacterial activity of crude extracts and solvent fractions of selected Ethiopian medicinal plants

Table 4 Test suspension colors obtained from fractions tested against Mycobacterium tuberculosis H37Rv

n-hexane		Ethyl Acetate		Aqueous		Isoniazid		DMSO
Conc (μg/ml)	Color	Conc (μg/ml)	Color	Conc (μg/ml)	Color	Conc (μg/ml)	Color	Conc (%)	Color
1000	blue	200	blue	1000	pink	1	blue	2.5	pink
500	blue	100	blue	500	pink	0.5	blue	1.25	pink
250	blue	50	blue	250	pink	0.25	blue	0.625	pink
125	blue	25	blue	125	pink	0.125	blue	0.312	pink
62.5	blue	12.5	blue	62.5	pink	0.06	pink	0.156	pink
31.25	blue	6.25	blue	31.25	pink	0.03	pink	0.078	pink
15.625	blue	3.125	blue	15.625	pink	–	–	0.039	pink
7.813	pink	1.563	blue	7.813	pink	–	–	0.02	pink
3.906	pink	0.781	blue	3.906	pink	–	–	0.01	pink
1.953	pink	0.391	blue	1.953	pink	–	–	0.005	pink
0.977	pink	0.195	blue	0.977	pink	–	–	0.0024	pink

Experiments were carried out in triplicate and results are expressed as means of three replicate experiments. - = Not applicable

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