| Strains | Concentrations | Percentage of inhibition (%) | |
| HEC | HET | ||
| Bia 1 | C1 (0.75 ml/ml) | 3.57 ± 1.3 aA1 | 100 ± 0.0 aB2 |
| C2 (1.5 ml/ml) | 14.55 ± 2.2 bA1 | 100 ± 0.0 aB2 | |
| C3 (3 ml/ml) | 16.29 ± 1.6 bA1 | 100 ± 0.0 aA2 | |
| Bia 2 | C1 (0.75 ml/ml) | 7.03 ± 0.7 aAB1 | 100 ± 0.0 aB2 |
| C2 (1.5 ml/ml) | 15.17 ± 3.3 bA1 | 100 ± 0.0 aB2 | |
| C3 (3 ml/ml) | 40.0 ± 2.1 cB1 | 100 ± 0.0 aA2 | |
| Njo 2 | C1 (0.75 ml/ml) | 9.82 ± 1.1 aB1 | 35.49 ± 1.1 aA2 |
| C2 (1.5 ml/ml) | 20.63 ± 1.2 bB1 | 52.38 ± 1.4 abA2 | |
| C3 (3 ml/ml) | 54.18 ± 0.8 cC1 | 100 ± 0.0 cA2 | |