Skip to main content

Table 2 Antimycobacterial activity of experimental plants using colony count method

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

Concentration of extract (mg/ml) CFU/ml
DMSO ƚ P. stellatum CHCl3 extract P. stellatum MeOH extract O. integrifolia CHCl3 extract O. integrifolia MeOH extract DMSO ǂ V. amygdalina CHCl3 extract C. edulis CHCl3 extract P. americana MeOH extract P. americana acetone extract
2.50 583 0 0 0 0 354 0 0 0 0
1.25 1194 0 0 0 0 476 0 0 72 0
0.625 2944 0 0 0 0 488 62 43 197 84
0.312 4000 0 0 0 150 742 166 168 64 282
0.156 5944 0 100 334 270 800 260 208 103 94
0.078 8444 0 277 566 650 817 242 222 66 89
0.039 9345 0 302 860 1050 871 496 435 94 344
0.019 1122 100 351 360 886 1275 1033 552 89 1028
0.009 12333 100 421 3334 1334 1517 1733 742 80 28
0.005 19861 100 450 3389 3889 958 2013 813 578 1120
0.0024 16944 100 200 3445 6389 1100 2438 1206 698 1249
Mean ± SEM 7519.45
±
1984.82
36.36***
±
15.21
191.00***
±
53.90
1117.00***
±
447.7
1329.00
***
±
608.3
854.36
±
351.01
767.55
±
269.50
399.00
±
117.99
185.55 ***
±
69.34
392.50*
±
147.7
  1. Experiments were carried out in triplicate and results are expressed as means of three replicate experiments. ƚ = Solvent CFU for chloroform and methanol extracts of P. stellatum and O. integrifolia; ǂ = Solvent CFU for chloroform extract of V. amygdalina and C. edulis and 80% methanol and acetone extract of P. Americana,; MeOH = methanol. * = α < 0.05, *** = α < 0.001