Table 2.
ANOVA study to investigate the effect of extraction parameters (pressure and temperature) on yields of lutein of the extracts
| Effect | Degree of freedom | Yields of lutein (μg/100 g) of dried maize grits SS | Yields of lutein (μg/100 g) of dried maize grits MS | Yields of lutein (μg/100 g) of dried maize grits F | Yields of lutein (μg/100 g) of dried maize grits Pc |
|---|---|---|---|---|---|
| Xa1 | 1 | 67,344.50 | 67,344.50 | 420.86 | 0.000000 |
| X21 | 1 | 4760.17 | 4760.17 | 29.74 | 0.000021 |
| Xb2 | 1 | 4050.00 | 4050.00 | 25.31 | 0.000056 |
| X22 | 1 | 3952.67 | 3952.67 | 24.70 | 0.000064 |
| X1X2 | 1 | 11,163.00 | 11,163.00 | 69.76 | 0.000000 |
| Error | 21 | 3360.33 | 160.02 | – | – |
| Total | 26 | 94,630.67 | – | – | – |
aX1-exraction temperature
bX2-exraction pressure
cSignificant at p < 0.05