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

Table 6

Analysis of variance of regression model.

Source	Sum of squares	df	Mean square	value	value
Model	6.14	14	0.44	14.81	< 0.0001	Significant
A	8.333E-004	1	8.333E-004	0.028	0.8692
B	3.710E-003	1	3.710E-003	0.13	0.7287
C	0.035	1	0.035	1.17	0.2983
D	0.58	1	0.58	19.48	0.0006
AB	1.406E-003	1	1.406E-003	0.047	0.8306
AC	9.120E-003	1	9.120E-003	0.31	0.5877
AD	0.014	1	0.014	0.47	0.5041
BC	1.600E-003	1	1.600E-003	0.054	0.8196
BD	0.013	1	0.013	0.45	0.5112
CD	0.14	1	0.14	4.86	0.0447
A2	0.091	1	0.091	3.06	0.1021
B2	0.011	1	0.011	0.36	0.5577
C2	3.96	1	3.96	133.59	< 0.0001
D2	2.03	1	2.03	68.65	< 0.0001
Residual	0.41	14	0.030
Lack of fit	0.34	10	0.034	1.85	0.2911	Not significant
Pure error	0.074	4	0.018
Cor total	6.55	28
	0.9367
	0.8735