Table 2. Minimum inhibitory concentration (MIC, %) of essential oils from the leaves of Nectandra lanceolata, N. megapotamica, and N. grandiflora, harvested in all seasons, against E. coli and S. aureus ATCC strains.
| Winter | Spring | Summer | Autumn | |
|---|---|---|---|---|
| E. coli | ||||
| N. lanceolata | 7.50±1.44* | 4.00±0.58 | 10.10±0.02 | 10.10±0.07 |
| N. megapotamica | 2.25±0.75 | 5.50±0.58 | 6.50±1.02 | 6.75±1.89 |
| N. grandiflora | 6.50±2.02 | 4.25±0.96 | 10.10±0.03 | 10.10±0.02 |
| S. aureus | ||||
| N. lanceolata | 0.60±0.04 | 0.70±0.17 | 0.55±0.05 | 0.55±0.05 |
| N. megapotamica | 1.05±0.43 | 1.90±0.64 | 1.90±0.64 | 3.00±0.02 |
| N. grandiflora | 1.90±0.64 | 1.80±0.69 | 1.90±0.64 | 3.00±0.08 |
*Means ± SD.