Table 2.

Response surface Box-Behnken design and experimental encapsulation efficiency (%).

Number	Levels of independent factors			Response EE (%)
	X 1	X 2	X 3	Practical acquired EE	Predicted acquired EE
1	5 : 1	8 : 1	0.3	76.00	74.99
2	5 : 1	10 : 1	0.6	82.60	82.88
3	15 : 1	6 : 1	0.6	76.90	76.62
4	15 : 1	8 : 1	1.2	72.10	73.11
5	10 : 1	10 : 1	1.2	82.04	81.41
6	15 : 1	10 : 1	0.6	80.15	79.78
7	10 : 1	6 : 1	0.3	76.40	77.03
8	15 : 1	8 : 1	0.3	78.25	77.89
9	10 : 1	6 : 1	1.2	77.00	76.27
10	10 : 1	8 : 1	0.6	92.60	91.30
11	10 : 1	8 : 1	0.6	90.78	91.30
12	10 : 1	10 : 1	0.3	80.02	80.75
13	10 : 1	8 : 1	0.6	91.00	91.30
14	10 : 1	8 : 1	0.6	91.54	91.30
15	5 : 1	6 : 1	0.6	76.80	77.17
16	10 : 1	8 : 1	0.6	90.58	91.30
17	5 : 1	8 : 1	1.2	79.30	79.66