Table 3.
Diameter of the inhibition zones (mm) of microorganisms by different concentrations of Garcinia kola oil.
| Microorganisms | Oil concentration (%) |
||||
|---|---|---|---|---|---|
| 100 | 50 | 25 | 12.5 | 6.25 | |
| Escherichia coli | 20 ± 0.05a | 18 ± 0.15b | 14 ± 0.08c | R | R |
| Salmonella typhi | 12 ± 00a | 7 ± 0.2b | R | R | R |
| Bacillus cereus | 8 ± 0.02a | R | R | R | R |
| Staphylococcus aureus | 22 ± 0.05a | 21 ± 1.09b | 16 ± 0.00c | R | R |
| Candida albicans | 19 ± 00ab | 20 ± 0.07a | 20 ± 0.02a | 18 ± 0.01b | 8 ± 00c |
| Aspergillus flavus | 20 ± 0.7b | 22 ± 1.41b | 28 ± 0.01a | 16 ± 00c | R |
| Aspergillus niger | 21 ± 1.01a | 20 ± 00a | 17 ± 0.07b | 15 ± 0.02c | R |
Data are expressed as the mean ± standard error of three replicates. R = resistant.