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