Table 3.
Experimental results for the total phenolic content, DPPH free radical scavenging activity and antimicrobial according to the Box-Behnken design
Run | Y1, Total phenolic content (mg GAE/g dry steam exploded oak wood) | Y2, DPPH free radical scavenging activity (%) | Y2, Antimicrobial activity (mm) |
Actual | Predicted | Actual | Predicted | Actual | Predicted |
1 | 100.5 | 101.0 | 59.3 | 57.8 | 12.0 | 12.4 |
2 | 108.4 | 109.0 | 66.4 | 61.9 | 15.5 | 15.9 |
3 | 96.3 | 101.1 | 58.8 | 54.9 | 14.5 | 14.6 |
4 | 107.4 | 103.5 | 57.2 | 56.0 | 13.5 | 13.4 |
5 | 108.1 | 109.1 | 65.5 | 61.9 | 15.5 | 15.9 |
6 | 100.2 | 101.1 | 58.0 | 58.3 | 15.5 | 15.0 |
7 | 105.0 | 100.3 | 59.1 | 59.1 | 14.5 | 14.4 |
8 | 104.2 | 103.0 | 51.6 | 52.4 | 14.0 | 14.1 |
9 | 99.3 | 101.0 | 57.9 | 58.9 | 12.0 | 11.6 |
10 | 98.9 | 95.4 | 53.0 | 51.5 | 15.0 | 14.8 |
11 | 110.0 | 106.1 | 51.3 | 15.5 | 14.0 | 13.4 |
12 | 103.1 | 107.1 | 58.5 | 57.7 | 14.0 | 14.5 |
13 | 110.4 | 109.1 | 58.3 | 61.9 | 17.0 | 15.9 |
14 | 111.5 | 109.1 | 59.2 | 61.9 | 16.0 | 15.9 |
15 | 98.8 | 102.8 | 53.8 | 53.2 | 12.5 | 13.1 |
16 | 94.3 | 97.9 | 53.0 | 54.0 | 14.5 | 14.8 |
17 | 111.2 | 109.1 | 60.9 | 61.9 | 15.5 | 15.9 |