Table 3 ANOVA for the results statistical treatment related to the planning for obtaining extracts by Soxhlet in aqueous solvent.
From: In vitro antioxidant extracts evaluation from the residue of the Hevea brasiliensis seed
Factor | Quadratic sum (SQ) | Degrees of freedom (DF) | Square mean (MQ) | F | P |
|---|---|---|---|---|---|
Regression (R) | 1628.02 | 5 | 325.60 | 48.52 | 0.0003 |
Time (linear) | 8.50 | 1 | 8.50 | 1.27 | 0.3116 |
Time (quadratic) | 312.46 | 1 | 312.46 | 46.56 | 0.0010 |
Concentration (linear) | 1197.94 | 1 | 1197.94 | 178.53 | < 0.0001 |
Concentration (quadratic) | 25.39 | 1 | 25.39 | 3.78 | 0.1093 |
Interaction time × concentration | 6.73 | 1 | 6.73 | 1 | 0.3624 |
Residue (r) | 33.55 | 5 | 6.71 | ||
Lack of adjustment (la) | 30.06 | 3 | 10.02 | 5.75 | 0.1518 |
Pure error (ep) | 3.49 | 2 | 1.74 | ||
Total quadratic sum (SQT) | 1661.57 | 10 |
