Research Article
Extraction, Characterization, Antioxidant, and Immunostimulatory Activities of Polysaccharides from Hedyotis corymbosa
Table 1
Results of ANOVA and regression analysis of CCD.
| Source | Sum of Squares | Mean Square | F Value | p-value | significant |
| Model | 9.34 | 1.04 | 197.71 | < 0.0001 | | X1 | 0.25 | 0.25 | 48.18 | < 0.0001 | | X2 | 0.031 | 0.031 | 5.99 | 0.0344 | | X3 | 0.34 | 0.34 | 63.80 | < 0.0001 | | X1 X2 | 1.42 | 1.42 | 269.92 | < 0.0001 | | X1 X3 | 0.49 | 0.49 | 93.95 | < 0.0001 | | X2X3 | 0.050 | 0.050 | 9.47 | 0.0117 | | X12 | 2.68 | 2.68 | 510.57 | < 0.0001 | | X22 | 4.69 | 4.69 | 892.45 | < 0.0001 | | X32 | 0.28 | 0.28 | 52.74 | < 0.0001 | | Residual | 0.053 | 5.251E-003 | | | | Lack of Fit | 0.028 | 5.515E-003 | 1.11 | 0.4574 | ⧫ | Pure Error | 0.025 | 4.987E-003 | | | | Cor Total | 9.40 | | | | | R-Squared | 0.9954 | | | | | Adj R-Squared | 0.9894 | | | | | Pred R-Squared | 0.9454 | | | | | Adeq Precision | 34.815 | | | | |
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, , and represent p<0.05, p<0.01, and p<0.0001, respectively. ⧫ represents “not significant” |