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. 2021 Aug 21;10(8):1317. doi: 10.3390/antiox10081317

Table 1.

Response surface design with experimental and predicted results.

Run Factor X1 Amplitude % (Code) Factor X2 Time Min (Code) Factor X3 Solvent/Solid mL/g (Code) Factor X4 Temp. °C (Code) PAs (mg PC/g DW) TPC (mg CAT/g DW)
Experimental Predicted Experimental Predicted
1 30 (−1) 10 (−1) 40 (+1) 60 (+1) 109.36 ± 7.23 105.81 162.11 ± 6.01 161.50
2 40 (0) 15 (0) 30 (0) 50 (0) 87.32 ± 5.15 85.01 135.69 ± 5.67 132.36
3 30 (−1) 10 (−1) 20 (−1) 60 (+1) 87.54 ± 4.87 84.45 131.92 ± 4.17 132.14
4 40 (0) 5 (−2) 30 (0) 50 (0) 80.65 ± 5.1 77.69 125.18 ± 3.69 123.71
5 40 (0) 15 (0) 30 (0) 70 (+2) 122.19 ± 5.71 119.55 177.15 ± 7.79 176.86
6 40 (0) 15 (0) 30 (0) 50 (0) 89.54 ± 3.57 85.01 127.91 ± 3.89 132.36
7 40 (0) 25 (+2) 30 (0) 50 (0) 94.18 ± 3.48 92.13 141.44 ± 7.70 144.40
8 40 (0) 15 (0) 50 (+2) 50 (0) 103.89 ± 4.18 99.67 141.37 ± 4.07 140.83
9 50 (+1) 10 (−1) 20 (−1) 60 (+1) 90.19 ± 5.08 86.29 133.61 ± 3.79 132.22
10 30 (−1) 20 (+1) 20 (−1) 40 (−1) 75.96 ± 3.52 71.63 120.24 ± 3.34 117.37
11 50 (+1) 20 (+1) 20 (−1) 40 (−1) 82.87 ± 4.11 81.07 138.44 ± 4.74 137.29
12 20 (−2) 15 (0) 30 (0) 50 (0) 81.73 ± 4.57 82.57 129.46 ± 4.77 132.58
13 50 (+1) 10 (−1) 40 (+1) 60 (+1) 105.18 ± 5.67 102.85 159.67 ± 3.93 158.42
14 40 (0) 15 (0) 30 (0) 50 (0) 86.99 ± 4.25 85.01 137.67 ± 5.15 132.36
15 50 (+1) 10 (−1) 20 (−1) 40 (−1) 74.68 ± 3.81 74.95 117.81 ± 2.95 115.55
16 50 (+1) 20 (+1) 40 (+1) 60 (+1) 116.42 ± 6.23 113.57 169.71 ± 5.41 168.57
17 50 (+1) 10 (−1) 40 (+1) 40 (−1) 83.67 ± 4.52 80.31 124.36 ± 3.72 128.91
18 30 (−1) 20 (+1) 40 (+1) 40 (−1) 84.08 ± 4.61 82.79 125.28 ± 3.35 124.91
19 30 (−1) 20 (+1) 40 (+1) 60 (+1) 121.11 ± 3.08 114.13 162.37 ± 5.73 160.45
20 40 (0) 15 (0) 10 (−2) 50 (0) 72.82 ± 4.06 71.95 105.06 ± 4.13 107.09
21 30 (−1) 20 (+1) 20 (−1) 60 (+1) 93.75 ± 4.35 91.77 145.66 ± 3.94 139.71
22 40 (0) 15 (0) 30 (0) 50 (0) 86.12 ± 3.56 85.01 137.27 ± 2.52 132.36
23 30 (−1) 10 (−1) 20 (−1) 40 (−1) 70.59 ± 4.11 67.91 107.45 ± 4.58 106.83
24 30 (−1) 10 (−1) 40 (+1) 40 (−1) 80.45 ± 4.19 78.07 127.30 ± 4.18 122.99
25 40 (0) 15 (0) 30 (0) 50 (0) 88.23 ± 5.07 85.01 127.13 ± 4.32 132.36
26 60 (+2) 15 (0) 30 (0) 50 (0) 95.19 ± 4.23 89.05 150.96 ± 4.48 149.42
27 40 (0) 15 (0) 30 (0) 50 (0) 88.37 ± 5.15 85.01 132.66 ± 3.95 132.36
28 40 (0) 15 (0) 30 (0) 30 (−2) 79.37 ± 4.51 76.87 122.94 ± 4.17 124.65
29 50 (+1) 20 (+1) 40 (+1) 40 (−1) 90.87 ± 4.81 87.43 146.06 ± 2.99 141.67
30 50 (+1) 20 (+1) 20 (−1) 60 (+1) 100.07 ± 6.28 96.01 150.82 ± 3.16 150.99