Table 3 Summary of the interaction of the plant extract and the various antibiotics
Test isolates | Antibiotic | Antibiotic alone (mm) | Antibiotic plus plant extract (mm) | % change in IZD | Interpretation |
|---|---|---|---|---|---|
S. aureus | CP | 16 | 16 | 0 | indifference |
| Â | SX | 15 | 15 | 0 | indifference |
| Â | PN | - | - | - | - |
| Â | SE | 24 | 22 | -8.33 | antagonism |
P. aeruginosa | CP | 29 | 35 | 20.69 | synergism |
| Â | SX | 23 | 12 | -47.83 | antagonism |
| Â | PN | - | - | - | - |
| Â | SE | 29 | - | - | - |
P. mirabilis | CP | 15 | 25 | 66.67 | synergism |
| Â | SX | 24 | 26 | 8.33 | additive |
| Â | PN | 12 | 20 | 66.67 | synergism |
| Â | SE | 29 | 19 | -34.48 | antagonism |
E. coli | CP | 35 | 42 | 20 | synergism |
ATCC 11775 | SX | 10 | 12 | 20 | synergism |
| Â | PN | 16 | 10 | -37.5 | antagonism |
| Â | SE | 22 | 11 | -50 | antagonism |
E. coli | CP | 39 | 40 | 2.56 | additive |
| Â | SX | 10 | 12 | 20 | synergism |
| Â | PN | 8 | 10 | 25 | synergism |
| Â | SE | 14 | 11 | -21.42 | antagonism |
C. albicans | KE | 26 | 23 | -11.54 | antagonism |
ATCC 90028 | NY | 38 | 30 | -7.14 | antagonism |
C. albicans | KE | 21 | 27 | 28.57 | synergism |
| Â | NY | 24 | 32 | 33.33 | synergism |