Table 3.
Antibacterial activities of SEO and the main monomers.
| Sample | E. coli | P. aeruginosa | S. aureus | |||
|---|---|---|---|---|---|---|
| MIC (mg/mL) | MBC (mg/mL) | MIC (mg/mL) | MBC (mg/mL) | MIC (mg/mL) | MBC (mg/mL) | |
| SEO | 6.4 | 12.8 | 0.2 | 0.2 | 0.2 | 0.4 |
| α-Pinene | 12.8 | >12.8 | 6.4 | 12.8 | 6.4 | 6.4 |
| α-Terpineol | 6.4 | 6.4 | 3.2 | 6.4 | 6.4 | 6.4 |
| Terpinolene | >12.8 | >12.8 | >12.8 | >12.8 | 6.4 | 6.4 |
| Verbenone | 12.8 | >12.8 | >12.8 | >12.8 | 3.2 | 3.2 |
| Mixture a | 1.6 | 3.2 | 1.6 | 1.6 | 1.6 | 1.6 |
| Tetracycline b | ND | <0.05 | ND | <0.05 | ND | <0.05 |
ND, not detected. a Monomer mixture containing α-pinene, verbenone, terpinolene and α-terpineol (m:m:m:m=1:1:1:1). b Tetracycline hydrochloride was used as positive control for inhibiting bacteria.