Table 4.
ANOVA of the regression coefficients of the fitted quadratic equations for the Z-average (Y 3) and polydispersity index (Y 4) of the nanoemulsions (1 wt% OPEO, 2 wt% Tween 80)
| Variable | Z-average (Y 3) | Polydispersity index (Y 4) | ||||
|---|---|---|---|---|---|---|
| Regression coefficient | F-value | P-value | Regression coefficient | F-value | P-value | |
| a 0 | 46.89 | 0.65 | ||||
| Linear | ||||||
| a 1 | −10.32 | 90.61 | <0.0001 | 0.053 | 10.47 | 0.0052 |
| a 2 | −10.20 | 88.44 | <0.0001 | 0.049 | 9.03 | 0.0084 |
| a 3 | −0.45 | 0.17 | 0.6871 | 0.001062 | 0.004229 | 0.9490 |
| Interaction | ||||||
| a 12 | 1.03 | 0.53 | 0.4845 | – | – | – |
| a 13 | 0.58 | 0.17 | 0.6903 | – | – | – |
| a 23 | 0.11 | 0.005890 | 0.9403 | – | – | – |
| Quadratic | ||||||
| a 11 | 0.24 | 0.052 | 0.8235 | – | – | – |
| a 22 | −1.09 | 1.06 | 0.3265 | – | – | – |
| a 33 | −6.01 | 32.37 | 0.0002 | – | – | – |
| Model | 23.69 | < 0.0001 | 6.50 | 0.0044 | ||
| Lack of fit | 0.72 | 0.6360 | 2.54 | 0.1564 | ||
| R 2 | 0.9552 | 0.5494 | ||||