Chloramphenicol M. putterlickoides (Roots) S. spectabilis (Leaves) O. usambarensis (Leaves)
Micro-organism MIC (mg/mL) MBC (mg/mL) MIC (mg/mL) MBC (mg/mL) MIC (mg/mL) MBC (mg/mL) MIC (mg/mL) MBC (mg/mL)
S. typhi 0.063 0.143 50 75 25 37.5 50 75
E. coli 0.063 0.113 50 75 - - 6.25 12.5
Sh. Dysenteriae 0.063 0.25 25 37.5 12.5 25 6.25 12.5
S. flexineriae 0.063 0.25 12.5 25 6.25 12.5 6.25 12.5
Ps. Aeruginosa 1.2 4.8 - - - - 50 75
Pr. vulgaris 3.9 22.8 50 75 50 75 12.5 25
C. jejuni 0.75 5.0 - - - - 50 75
Results are expressed as Mean of five determinations. Differences between means of the MICs and MBCs were analyzed by student’s t-test.
Table 2: Minimum Inhibitory Concentrations (MICs) and Minimum Bactericidal Concentrations (MBCs).