Table 1 Range of experimental variables for the response surface design applied in the essential oil nanoemulsion manufacturing.
Factor | Level | |||||
|---|---|---|---|---|---|---|
− α | − 1 | 0 | 1 | α | ||
X1 | Essential Oil concentration (% w/v) | 0.734 | 2 | 4 | 6 | 7.266 |
X2 | Homogenization speed (rpm) | 5917.5 | 7500 | 10,000 | 12,500 | 14,082.5 |
X3 | Sonication time (min) | 1.5 | 4 | 8 | 12 | 14.5 |