Research Article
Flavonoids Extraction from Taraxacum officinale (Dandelion): Optimisation Using Response Surface Methodology and Antioxidant Activity
Table 4
Regression coefficients and significance test for quadratic model.
| | Source | Degree of freedom | Mean square | F value | P value |
| | 1 | 8 × 10−4 | 1.18 | 0.3133 | | 1 | 1.25 × 10−5 | 0.018 | 0.8958 | | 1 | 0.014 | 20.08 | 0.0029 | | 1 | 0.041 | 59.96 | 0.0001 | | 1 | 0.052 | 76.19 | <0.0001 | | 1 | 0.013 | 19.31 | 0.0032 | | 1 | 0 | 0 | 1 | | 1 | 1 × 10−4 | 0.15 | 0.7123 | | 1 | 3.025 × 10−3 | 4.46 | 0.0725 |
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