Table 4.
Particle size, polydispersity index (PDI) and zeta potential of nanoemulsion-based plant hexane extract (NHEs) and nanoemulsion-based plant hexane extract formulations (NHEFs) at 1.0% in water.
| Nanoemulsions (1.0% in water) | Particle size (nm) | PDI | Zeta Potential (mV) |
|---|---|---|---|
| Nanoemulsion-based plant hexane extract (NHEs), (% of plant hexane extract: PHE) | |||
| NHE-S (Star anis hexane extract : NP9 : Tween 20 = 1:3:1), (0.20% of PHE) | 17.90 ± 2.94 | 0.17 ± 0.16 | -1.33 ± 0.94 |
| NHE-L (Long pepper hexane extract : NP9 : Tween 20 = 1:4:1), (0.16% of PHE) | 24.64 ± 2.23 | 0.18 ± 0.06 | -6.65 ± 1.06 |
| Nanoemulsion-based plant hexane extract formulations (NHEFs) | |||
| NHEF-1 (NHE-S : NHE-L = 4:0), (0.20% of PHE) | 17.90 ± 2.94 | 0.17 ± 0.16 | -1.33 ± 0.94 |
| NHEF-2 (NHE-S : NHE-L = 3:1), (0.19% of PHE) | 22.10 ± 1.12 | 0.25 ± 0.07 | -1.27 ± 0.66 |
| NHEF-3 (NHE-S : NHE-L = 2:2), (0.18% of PHE) | 21.60 ± 1.79 | 0.20 ± 0.23 | -1.80 ± 1.06 |
| NHEF-4 (NHE-S : NHE-L = 1:3), (0.17% of PHE) | 20.88 ± 0.28 | 0.19 ± 0.03 | -8.85 ± 0.97 |
| NHEF-5 (NHE-S : NHE-L = 0:4), (0.16% of PHE) | 24.64 ± 2.23 | 0.16 ± 0.03 | -6.65 ± 1.06 |