Table 2.
Storage condition | Mean particle size ± SD (nm) | PDI | Zeta potential ± SD (mV) | Entrapment efficiency ± SD (%) |
---|---|---|---|---|
Fresh | 162.5 ± 12 | 0.295 | −34 ± 0.29 | 90.1 ± 6.5 |
2–8 °C | ||||
1 month | 173 ± 4.21 | 0.298 | −32.4 ± 0.82 | 89.45 ± 1.4 |
3 months | 191 ± 3.67 | 0.308 | −32.4 ± 1.37 | 88.18 ± 1.3 |
25 °C | ||||
1 month | 198.6 ± 4.61 | 0.341 | −28.7 ± 0.65 | 86.12 ± 0.73 |
3 months | 273.6 ± 6.8 | 0.393 | −22.1 ± 0.79 | 83.31 ± 0.82 |