Table 3.
Calculated parameters* of Modified Gomperzt Model (Eq. (6)24) for each evaluated concentration of Brazilian orange terpenes (BOT).
| CEOc (mg/mL) |
E. coli U21 | L. rhamnosus ATCC 7469 | ||||||
|---|---|---|---|---|---|---|---|---|
| A (OD600 nm)a | µmax (h−1)b | λ (h)a | R2 | A (OD600 nm)b | µmax (h−1)b | λ (h)a | R2 | |
| 14.80 | — | — | — | — | — | — | — | — |
| 7.40 | — | — | — | — | — | — | — | — |
| 3.70 | — | — | — | — | — | — | — | — |
| 1.85 | — | — | — | — | 1.143 ± 0.027 | 0.165 ± 0.005 | 26.61 ± 2.19 | 0.99 |
| 0.925 | 0.289 ± 0.016 | 0.078 ± 0.004 | 16.88 ± 0.97 | 0.99 | 1.192 ± 0.047 | 0.215 ± 0.104 | 23.85 ± 3.95 | 0.99 |
| 0.463 | 0.400 ± 0.054 | 0.058 ± 0.018 | 8.16 ± 1.31 | 0.99 | 1.210 ± 0.040 | 0.197 ± 0.089 | 20.24 ± 3.37 | 0.99 |
| 0.231 | 0.437 ± 0.060 | 0.072 ± 0.008 | 3.04 ± 0.57 | 0.98 | 1.216 ± 0.032 | 0.202 ± 0.048 | 19.55 ± 2.34 | 0.99 |
| 0.116 | 0.400 ± 0.053 | 0.097 ± 0.006 | 2.58 ± 0.45 | 0.98 | 1.210 ± 0.028 | 0.204 ± 0.035 | 19.35 ± 1.77 | 0.99 |
| 0.00 | 0.655 ± 0.049 | 0.073 ± 0.012 | 2.30 ± 0.55 | 0.99 | 1.176 ± 0.054 | 0.148 ± 0.008 | 16.61 ± 1.94 | 0.99 |
*A = maximal bacterial culture density (OD600 nm), µmax = the maximum specific growth rate (h−1), λ = the lag phase duration (h).
(−)Undetermined parameters due to total inhibition.
cConcentration of essential oil.
aThere are significant differences in the growth kinetics parameters after exposure to essential oil concentrations (p < 0.05).
bNo significant differences were observed (p < 0.05).