Research Article
Polysaccharides of Scrophularia ningpoensis Hemsl.: Extraction, Antioxidant, and Anti-Inflammatory Evaluation
Table 1
Coded and uncoded levels of independent variables used for BBD.
| Independent variable | Coded levels | −1 | 0 | 1 |
| Ultrasonic temperature (X1) (°C) | 30 | 50 | 70 | Ultrasonic power (X2) (W) | 285 | 475 | 665 | Ultrasonic time (X3) (min) | 15 | 25 | 35 |
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