Bacterial isolates/Medicinal plants 0.89% Normal Saline M.putterlickoides (roots) S. spectabilis (leaves) O. usambarensis (leaves)
Sal. Typhi 6 9.2±1.1* 9.6±0.6* 12.2±0.8*
E. coli 6 9.6±0.6* 6.0±0.0 14.2±1.6*
Sh. Dysenteriae 6 11.0±1.0* 12.8±0.8* 15.0±1.0*
Sh. Flexineriae 6 12.2±1.9* 15.8±1.6* 13.8±2.1*
Ps. Aeruginosa 6 8.0±0.7 7.6±0.5 9.2±1.3*
Pr. Vulgaris 6 9.8±1.3* 9.6±1.1* 9.0±0.7*
C. jejuni 6 7.0±0.7 6.0±0.0 9.6±0.9*
Results are expressed as Mean ± SD of five determinations; values followed by asteric are significant (*p<0.05).
Table 1: Zone of inhibition (millimeters) of aqueous extracts of selected medicinal plants against bacterial isolates.