Table 1.
Cold Ethanol Extraction | Independent Variables | Response/Dependent Variables (g 100 g Dry Matter−1) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sample Solvent−1 | Extraction Time | THC | THCA | Total THC | CBG | CBGA | Total CBG | THCVA | CBCA | Total Terpenes | Yield | |
(X1, g 40 mL−1) | (X2, min) | Y1 | Y2 | Y3 | Y4 | Y5 | Y6 | Y7 | Y8 | Y9 | Y10 | |
−20 °C | 10.77 | 20 | 0.09 | 3.95 | 3.55 | 0.02 | 0.05 | 0.06 | 0.18 | 0.07 | 0.32 | 4.92 |
−40 °C | 0.22 | 10.07 | 9.05 | 0.05 | 0.14 | 0.17 | 0.52 | 0.18 | 0.36 | 8.56 | ||
RT | 0.31 | 9.56 | 8.69 | 0.05 | 0.14 | 0.17 | 0.48 | 0.19 | 0.22 | 9.84 | ||
−20 °C | 6.31 | 10 | 0.34 | 13.79 | 12.44 | 0.07 | 0.19 | 0.24 | 0.72 | 0.27 | 0.22 | 10.92 |
−40 °C | 0.33 | 13.27 | 11.97 | 0.06 | 0.19 | 0.23 | 0.69 | 0.25 | 0.93 | 15.85 | ||
RT | 0.28 | 9.68 | 8.77 | 0.05 | 0.14 | 0.17 | 0.49 | 0.19 | 0.05 | 13.79 | ||
−20 °C | 6.31 | 30 | 0.19 | 7.01 | 6.34 | 0.03 | 0.10 | 0.12 | 0.35 | 0.13 | 0.77 | 10.92 |
−40 °C | 0.32 | 12.71 | 11.46 | 0.06 | 0.19 | 0.23 | 0.66 | 0.24 | 1.13 | 15.69 | ||
RT | 0.27 | 9.37 | 8.49 | 0.05 | 0.13 | 0.16 | 0.46 | 0.19 | 0.67 | 11.71 | ||
−20 °C | 3.16 | 5.86 | 0.32 | 12.96 | 11.68 | 0.06 | 0.19 | 0.22 | 0.67 | 0.24 | 0.06 | 16.46 |
−40 °C | 0.32 | 12.05 | 10.89 | 0.06 | 0.17 | 0.21 | 0.63 | 0.23 | 1.13 | 16.77 | ||
RT | 0.47 | 15.32 | 13.91 | 0.07 | 0.23 | 0.28 | 0.80 | 0.30 | 1.06 | 17.72 | ||
−20 °C | 3.16 | 20 | 0.29 | 11.16 | 10.08 | 0.05 | 0.16 | 0.19 | 0.58 | 0.21 | 0.99 | 16.77 |
−40 °C | 0.27 | 12.58 | 11.31 | 0.06 | 0.18 | 0.22 | 0.65 | 0.24 | 1.18 | 16.72 | ||
RT | 0.36 | 11.64 | 10.57 | 0.06 | 0.17 | 0.21 | 0.60 | 0.22 | 1.10 | 17.78 | ||
−20 °C | 3.16 | 20 | 0.35 | 12.71 | 11.49 | 0.06 | 0.19 | 0.22 | 0.66 | 0.25 | 1.19 | 17.41 |
−40 °C | 0.41 | 18.15 | 16.32 | 0.09 | 0.26 | 0.32 | 0.94 | 0.35 | 1.20 | 17.72 | ||
RT | 0.33 | 12.36 | 11.17 | 0.06 | 0.18 | 0.22 | 0.64 | 0.25 | 1.02 | 17.41 | ||
−20 °C | 3.16 | 20 | 0.41 | 13.44 | 12.20 | 0.07 | 0.19 | 0.24 | 0.71 | 0.26 | 1.09 | 17.09 |
−40 °C | 0.31 | 13.74 | 12.36 | 0.06 | 0.20 | 0.24 | 0.72 | 0.26 | 1.17 | 17.72 | ||
RT | 0.33 | 11.97 | 10.83 | 0.06 | 0.17 | 0.21 | 0.63 | 0.24 | 0.92 | 18.30 | ||
−20 °C | 3.16 | 20 | 0.27 | 10.59 | 9.55 | 0.05 | 0.15 | 0.18 | 0.54 | 0.20 | 1.08 | 17.03 |
−40 °C | 0.39 | 15.59 | 14.05 | 0.08 | 0.23 | 0.28 | 0.83 | 0.30 | 1.11 | 17.46 | ||
RT | 0.33 | 11.50 | 10.41 | 0.06 | 0.17 | 0.20 | 0.60 | 0.23 | 0.94 | 17.35 | ||
−20 °C | 3.16 | 20 | 0.26 | 10.55 | 9.51 | 0.05 | 0.15 | 0.18 | 0.53 | 0.19 | 1.14 | 17.41 |
−40 °C | 0.30 | 11.66 | 10.53 | 0.06 | 0.17 | 0.21 | 0.61 | 0.22 | 1.14 | 17.72 | ||
RT | 0.40 | 13.24 | 12.01 | 0.07 | 0.19 | 0.24 | 0.71 | 0.26 | 1.13 | 17.98 | ||
−20 °C | 3.16 | 34.14 | 0.31 | 12.80 | 11.54 | 0.06 | 0.18 | 0.22 | 0.65 | 0.23 | 1.05 | 16.51 |
−40 °C | 0.33 | 12.25 | 11.07 | 0.06 | 0.17 | 0.21 | 0.63 | 0.24 | 1.09 | 17.09 | ||
RT | 0.35 | 11.50 | 10.43 | 0.06 | 0.16 | 0.20 | 0.59 | 0.22 | 1.09 | 16.46 | ||
−20 °C | 2.1 | 10 | 0.43 | 15.65 | 14.16 | 0.07 | 0.23 | 0.27 | 0.84 | 0.31 | 1.13 | 17.54 |
−40 °C | 0.50 | 19.14 | 17.28 | 0.09 | 0.28 | 0.34 | 1.02 | 0.37 | 2.00 | 19.62 | ||
RT | 0.45 | 17.03 | 15.38 | 0.09 | 0.25 | 0.31 | 0.93 | 0.34 | 1.27 | 18.10 | ||
−20 °C | 2.1 | 30 | 0.35 | 12.70 | 11.49 | 0.06 | 0.18 | 0.22 | 0.68 | 0.26 | 1.26 | 18.57 |
−40 °C | 0.41 | 15.94 | 14.40 | 0.07 | 0.23 | 0.28 | 0.82 | 0.30 | 2.06 | 18.45 | ||
RT | 0.44 | 15.65 | 14.16 | 0.08 | 0.24 | 0.29 | 0.82 | 0.31 | 1.16 | 19.05 | ||
−20 °C | 1.85 | 20 | 0.36 | 15.20 | 13.70 | 0.07 | 0.22 | 0.26 | 0.80 | 0.28 | 1.14 | 18.82 |
−40 °C | 0.45 | 16.99 | 15.35 | 0.08 | 0.25 | 0.30 | 0.92 | 0.32 | 2.32 | 20.11 | ||
RT | 0.61 | 20.27 | 18.39 | 0.10 | 0.30 | 0.37 | 1.08 | 0.40 | 1.23 | 19.46 |