Table 2.
Combination of independent variables’ levels in AG-PTMs experimental runs and their corresponding responses.
| Run no. | Independent variables |
Response | |
|---|---|---|---|
| AG:PC molar ratio (X1) | Sonication time (X2, min) | Mean PS (Y, nm) | |
| 1 | 1:3 | 3 | 319.8 ± 13.2 |
| 2 | 1:5 | 3 | 397.9 ± 19.89 |
| 3 | 1:1 | 5 | 307.1 ± 13.81 |
| 4 | 1:1 | 1 | 569.2 ± 28.30 |
| 5 | 1:3 | 3 | 278.1 ± 10.7 |
| 6 | 1:5 | 5 | 329.7 ± 13.18 |
| 7 | 1:3 | 3 | 309.5 ± 15.45 |
| 8 | 1:3 | 3 | 311.8 ± 6.9 |
| 9 | 1:3 | 5 | 246.7 ± 7.9 |
| 10 | 1:3 | 3 | 299.3 ± 15.9 |
| 11 | 1:1 | 3 | 346.9 ± 10.40 |
| 12 | 1:5 | 1 | 489.9 ± 19.59 |
| 13 | 1:3 | 1 | 448.9 ± 23.79 |
AG, andrographolide; PTM, Phytosomes; PS, particle size; SD, standard deviation. Results are presented as mean ± SD, n = 5.