Table II.
Mean Particle Sizes, Polydispersity Index (PI), Zeta Potential and A. aegypti Protection Time of Essential-Oil-Loaded Nanoemulsion Prepared with and without High-Pressure Homogenization
| Formulation | Without high-pressure homogenization | With high-pressure homogenization | ||||||
|---|---|---|---|---|---|---|---|---|
| Size (nm) | PI | Zeta potential (mV) | Protection time (h) | Size (nm) | PI | Zeta potential (mV) | Protection time (h) | |
| F1 | 199.7 ± 3.1 | 0.092 ± 0.028 | −53.9 ± 0.3 | 1.5 ± 0.5 | 161.3 ± 1.5 | 0.055 ± 0.022 | −60.3 ± 0.4 | 3.5 ± 0.5 |
| F2 | 204.0 ± 2.0 | 0.068 ± 0.006 | −49.3 ± 1.1 | 2.0 ± 0.0 | 156.3 ± 1.5 | 0.090 ± 0.017 | −59.8 ± 2.7 | 2.7 ± 0.6 |
| F3 | 205.0 ± 2.6 | 0.059 ± 0.017 | −50.7 ± 0.7 | 2.5 ± 0.5 | 148.7 ± 0.6 | 0.078 ± 0.026 | −55.4 ± 13.0 | 3.3 ± 0.3 |
| F4 | 197.3 ± 1.2 | 0.074 ± 0.014 | −53.7 ± 1.4 | 2.5 ± 0.5 | 158.7 ± 2.1 | 0.072 ± 0.013 | −51.0 ± 3.3 | 4.2 ± 0.3 |
| F5 | 220.7 ± 5.0 | 0.050 ± 0.016 | −26.0 ± 1.9 | 3.3 ± 0.3 | 154.3 ± 1.2 | 0.078 ± 0.008 | −59.4 ± 1.6 | 4.2 ± 0.3 |
| F6 | 212.7 ± 0.6 | 0.074 ± 0.011 | −49.3 ± 2.0 | 3.2 ± 0.6 | 151.7 ± 1.5 | 0.087 ± 0.009 | −45.7 ± 1.1 | 4.2 ± 0.6 |
| F7 | 200.0 ± 1.0 | 0.091 ± 0.029 | −27.2 ± 1.2 | 3.8 ± 0.3 | 153.7 ± 1.2 | 0.060 ± 0.009 | −51.2 ± 0.6 | 4.7 ± 0.3 |