Research Article
Optimization Studies on the Extraction of Flavone Di-C-glycosides from Premna fulva Craib by Deep Eutectic Solvents
Table 3
Experimental data and obtained response values for different combinations of three factors.
| Run | Factors R | Response | Liquid-solid ratio (X1, mL/g) | Water content (X2, %) | Extraction time (X3, min) | Total flavone di-C-glycosides (mg/g) |
| 1 | 10 | 50 | 40 | 13.638 | 2 | 30 | 30 | 40 | 17.9165 | 3 | 30 | 50 | 20 | 15.475 | 4 | 30 | 30 | 40 | 17.8521 | 5 | 10 | 10 | 40 | 12.7462 | 6 | 50 | 10 | 40 | 12.7954 | 7 | 50 | 30 | 20 | 15.2052 | 8 | 30 | 10 | 60 | 15.3776 | 9 | 10 | 30 | 20 | 12.617 | 10 | 30 | 30 | 40 | 17.2204 | 11 | 50 | 50 | 40 | 14.4825 | 12 | 50 | 30 | 60 | 14.3368 | 13 | 30 | 10 | 20 | 12.1016 | 14 | 30 | 30 | 40 | 17.568 | 15 | 30 | 50 | 60 | 14.9027 | 16 | 10 | 30 | 60 | 15.0012 | 17 | 30 | 30 | 40 | 17.3653 |
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