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

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

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