Table 2.

Variables and observed responses in the central composite design for imperatorin lipid microspheres.

No. Levels of Independent Factors’ Responses
	A	B	C	Y1	Y2	Y3	Y4	Y5	OD
1	1.11	0.21	39.43	177	0.148	−43.4	6.58	89%	0
2	1.25	0.35	25.00	172	0.131	−44.1	7.59	90%	0.4835
3	1.11	0.49	10.57	169	0.168	−47.0	8.27	89%	0.5195
4	1.25	0.35	25.00	172	0.128	−43.7	7.72	88%	0.4582
5	1.25	0.35	25.00	161	0.138	−45.0	7.29	89%	0.4562
6	1.39	0.49	39.43	164	0.097	−38.7	6.93	81%	0
7	1.25	0.35	25.00	165	0.148	−43.5	7.23	90%	0.4013
8	1.25	0.35	0	167	0.129	−43.4	7.16	84%	0.3693
9	1.11	0.21	10.57	193	0.122	−45.2	9.43	91%	0
10	1.0	0.35	25.00	201	0.132	−43.9	9.02	89%	0
11	1.5	0.35	25.00	168	0.134	−43.8	7.33	88%	0.4629
12	1.39	0.49	39.43	177	0.183	−41.9	9.14	89%	0.5391
13	1.39	0.49	10.57	154	0.116	−44.5	8.28	81%	0
14	1.11	0.49	39.43	165	0.094	−42.4	7.29	88%	0.4037
15	1.39	0.21	10.57	168	0.138	−43.5	8.33	90%	0.7286
16	1.25	0.35	25.00	164	0.120	−43.5	7.76	89%	0.6020
17	1.25	0.35	50.00	176	0.136	−44.7	7.88	90%	0.4567
18	1.25	0.35	25.00	170	0.129	−43.1	10.42	90%	0.6491
19	1.25	0.1	25.00	196	0.097	−41.5	10.92	92%	0.4569
20	1.25	0.6	25.00	170	0.096	−40.5	9.27	93%	0