Deep Eutectic Solvents (DESs)-Ultrasonic-Assisted Extraction of Paeoniflorin and Paeonol from Moutan Cortex

Table 5

Box-Behnken response surface design and results.

No.	A	B	C	D	Extraction efficiency/(mg/g)
					Paeoniflorin	Paeonol	Total
1	200	30	60	5	4.176	4.133	8.309
2	400	30	60	5	4.177	4.061	8.238
3	400	30	50	7	4.537	4.434	8.971
4	200	30	50	7	4.405	4.368	8.773
5	400	40	50	5	4.664	4.541	9.205
6	300	30	50	5	4.710	4.611	9.321
7	300	30	60	7	4.149	4.027	8.176
8	300	40	40	5	4.287	4.174	8.461
9	300	20	50	7	4.513	4.308	8.821
10	200	40	50	5	4.713	4.493	9.206
11	300	30	60	3	3.852	3.690	7.542
12	300	30	40	3	4.140	4.100	8.240
13	300	30	50	5	4.691	4.580	9.271
14	300	30	50	5	4.606	4.539	9.145
15	300	30	50	5	4.748	4.694	9.442
16	300	20	60	5	4.288	4.119	8.407
17	400	30	50	3	4.163	4.061	8.224
18	400	20	50	5	4.700	4.532	9.232
19	200	30	50	3	4.160	4.102	8.262
20	200	20	50	5	4.592	4.566	9.158
21	300	20	40	5	3.981	4.382	8.363
22	300	30	50	5	4.405	4.701	9.106
23	300	20	50	3	4.165	4.340	8.505
24	300	40	50	3	3.929	4.286	8.215
25	200	30	40	5	3.961	4.451	8.412
26	300	30	40	7	3.870	4.245	8.115
27	400	30	40	5	3.891	4.259	8.150
28	300	40	50	7	4.254	4.509	8.763
29	300	40	60	5	4.128	4.297	8.425