Table 2 Experimental Doehlert design matrix used for optimization of extraction parameters of Plinia cerrocampanensis essential oil by HS-SPME
Experiment | Extraction temperature (°C) | Time of equilibrium (min) | Time of extraction (min) | Total peak area (109) |
|---|---|---|---|---|
1 | 45 | 25 | 20 | 136.86 |
2 | 60 | 25 | 20 | 1.41 |
3 | 52 | 25 | 35 | 6.84 |
4 | 52 | 40 | 25 | 9.47 |
5 | 30 | 25 | 20 | 50.99 |
6 | 38 | 25 | 5 | 43.98 |
7 | 38 | 10 | 15 | 111.39 |
8 | 52 | 25 | 5 | 139.92 |
9 | 52 | 10 | 15 | 137.97 |
10 | 38 | 25 | 35 | 106.08 |
11 | 45 | 10 | 30 | 100.77 |
12 | 38 | 40 | 25 | 100.85 |
13 | 45 | 40 | 10 | 122.17 |
14 | 45 | 40 | 10 | 121.96 |
15 | 45 | 40 | 10 | 122.20 |
16 | 45 | 40 | 10 | 120.34 |