Table 2 Zeta potential and particle size of different formulations (mean ± S.D; n = 3)
Formulation code | Zeta potential (mv) | Particle size (nm) | Polydispersity index (PI) |
|---|---|---|---|
F1 |  − 21.1 ± 0.11 | 73.08 ± 1 | 0.191 |
F2 |  − 19.3 ± 0.23 | 72.81 ± 1.2 | 0.257 |
F3 |  − 18.9 ± 0.25 | 84.51 ± 1 | 0.191 |
F4 |  − 18.7 ± 0.23 | 92.88 ± 3 | 0.257 |
F5 |  − 18.6 ± 0.01 | 86.31 ± 2 | 0.191 |
F6 |  − 18.4 ± 0.12 | 83.61 ± 2 | 0.257 |
F7 |  − 18.0 ± 0.14 | 104.85 ± 1.5 | 0.191 |
F8 |  − 17.8 ± 0.24 | 110.97 ± 1 | 0.257 |
F9 |  − 17.6 ± 026 | 101.52 ± 2 | 0.191 |