Table 2.
Analysis of Variance (P-values) for Powder yield, Water Solubility Index, β-carotene and hygroscopicity of orange fleshed sweet potato powder.
Source | PY | SOL | BC | HG |
---|---|---|---|---|
Model | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
A (Inlet air temperature (0C)) | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
B (Feed flow rate (ml/min)) | 0.0137 | 0.0732 | 0.0003 | 0.0006 |
C (Maltodextrin (%)) | 0.0005 | <0.0001 | 0.4992 | <0.0001 |
AB | 0.0020 | 0.1845 | 0.7185 | 0.0182 |
AC | 0.0298 | 0.1234 | 0.2783 | <0.0001 |
BC | 0.0028 | 0.0893 | 0.4372 | 0.1129 |
A2 | <0.0001 | 0.0003 | 0.0001 | 0.1317 |
B2 | 0.1340 | 0.5675 | 0.0173 | 0.0023 |
C2 | 0.0018 | <0.0001 | 0.1025 | 0.0091 |
Lack of fit | 0.0807 | 0.0771 | 0.2706 | 0.9078 |
PY: Powder yield (%); SOL: Water solubility Index (%); BC: β-carotene (mg/100 g) and HG: Hygroscopicity (%). The values are given the P-values of ANOVA, values < 0.05 consider as statistically significant.