Entrapment efficiency, mean particle size, appearance and β-E content of PEG-Lipo-β-E formulations at 4 °C (n = 3)
| Time (days) | Appearance | Entrapment efficiency (%) | Particle size (nm) | β-E content (mg/mL) |
|---|---|---|---|---|
| 0 | Uniform | 95.53 ± 1.712 | 83.31 ± 0.181 | 5.024 ± 0.107 |
| 7 | Uniform | 92.61 ± 0.782 | 83.25 ± 0.217 | 5.018 ± 0.091 |
| 15 | Uniform | 92.93 ± 1.542 | 83.83 ± 1.418 | 4.985 ± 0.043 |
| 30 | Uniform | 91.44 ± 3.926 | 85.09 ± 1.701 | 4.983 ± 0.018 |