Table 4.
Optimum conditions, and the predicted and experimental values of response
| Ultrasonic power (W) | Extraction time (min) | Extraction temperature (°C) | Yield of polysaccharides (%) | Hydroxyl radical scavenging activity of polysaccharides (%) | |
|---|---|---|---|---|---|
| Optimum condition for yield (predicted) |
120 |
15 |
54.69 |
4.59 |
32.75 |
| Modified condition for yield (actual) |
120 |
15 |
55 |
4.47 |
30.94 |
| Optimum condition for activity (predicted) |
80 |
14.91 |
40 |
3.07 |
68.91 |
| Modified condition for activity (actual) | 80 | 15 | 40 | 2.91 | 67.30 |