Table 2.
Experimental design of CGA and caffeine content extraction in green coffee beans.
Run | X1: NADES Ratio (mol) | X2: Extraction Time (min) | X3: Solid-Liquid Ratio (g/mL) | Y1: CGA Content (mg/g) | Y2: Caffeine Content (mg/g) |
---|---|---|---|---|---|
1 | 1.25:1.2 | 10 | 1:30 | 5.50 + 1.82 | 2.97 + 0.70 |
2 | 1.25:1.2 | 10 | 1:10 | 3.74 + 3.62 | 1.70 + 1.34 |
3 | 1.25:1.2 | 35 | 1:20 | 8.41 + 6.85 | 3.70 + 2.57 |
4 | 1.25:1.2 | 60 | 1:10 | 7.26 + 4.15 | 2.94 + 1.38 |
5 | 2:1.2 | 10 | 1:20 | 7.37 + 0.68 | 3.27 + 0.22 |
6 | 0.5:1.2 | 60 | 1:20 | 3.08 + 2.30 | 1.74 + 0.93 |
7 | 1.25:1.2 | 35 | 1:20 | 7.86 + 3.72 | 3.42 + 1,33 |
8 | 2:1.2 | 60 | 1:20 | 3.66 + 3.43 | 1.85 + 1.31 |
9 | 1.25:1.2 | 35 | 1:20 | 8.16 + 3.29 | 3.56 + 1.20 |
10 | 1.25:1.2 | 60 | 1:30 | 10.65 + 0.32 | 4.98 + 0.13 |
11 | 0.5:1.2 | 35 | 1:30 | 5.61 + 2.58 | 3.11 + 0.98 |
12 | 0.5:1.2 | 35 | 1:10 | 5.14 + 5.19 | 1.99 + 1.69 |
13 | 0.5:1.2 | 10 | 1:20 | 4.58 + 1.34 | 2.16 + 0.45 |
14 | 2:1.2 | 35 | 1:30 | 3.08 + 2.25 | 1.77 + 0.83 |
15 | 1.25:1.2 | 35 | 1:20 | 3.78 + 1.32 | 1.83 + 0.53 |
16 | 1.25:1.2 | 35 | 1:20 | 6.62 + 2.28 | 2.77 + 0.87 |
17 | 2:1.2 | 35 | 1:10 | 6.48 + 2.56 | 2.41 + 0.76 |