Table 2. Physiochemical stability of SEPI-loaded NLC formulations after one month .
| Formulation | Particle size (nm) | PDI | Z-potential | Drug precipitation | Phase separation |
| SEPI-NLC1 | 170.8 ± 3.21 | 0.228 ± 0.02 | -18.3 ± 1.78 | Yes | Yes |
| SEPI-NLC2 | 180.0 ± 2.14 | 0.242 ± 0.08 | -19.6 ± 3.28 | No | Yes |
| SEPI-NLC3 | 130.1 ± 2.82 | 0.270 ± 0.04 | -21.1 ± 1.54 | Yes | No |
| SEPI-NLC4 | 62.12 ± 3.53 | 0.256 ± 0.01 | -20.8 ± 2.01 | Yes | No |
| SEPI-NLC5 | 281.1 ± 4.11 | 0.320 ± 0.07 | -34.3 ± 1.87 | No | Yes |