Table 1.
Experimental designs and the results of CCD
| Run | A(X1) a | B( X 2) b | C(X3) c | D(X4) d |
Conversion rate (%) |
|||
|---|---|---|---|---|---|---|---|---|
| I II Average predicted | ||||||||
| 1 |
-1 |
-1 |
-1 |
-1 |
49.00 |
37.50 |
38.25 ± 1.06 |
40.81 |
| 2 |
1 |
-1 |
-1 |
-1 |
49.77 |
47.47 |
48.62 ± 1.63 |
49.85 |
| 3 |
-1 |
1 |
-1 |
-1 |
70.77 |
67.95 |
69.36 ± 2.00 |
69.55 |
| 4 |
1 |
1 |
-1 |
-1 |
72.66 |
69.04 |
70.85 ± 2.56 |
73.65 |
| 5 |
-1 |
-1 |
1 |
-1 |
45.99 |
34.31 |
40.15 ± 8.26 |
46.72 |
| 6 |
1 |
-1 |
1 |
-1 |
51.90 |
56.00 |
53.95 ± 2.90 |
57.31 |
| 7 |
-1 |
1 |
1 |
-1 |
77.98 |
77.50 |
77.74 ± 0.34 |
75.84 |
| 8 |
1 |
1 |
1 |
-1 |
81.98 |
79.62 |
80.8 ± 1.68 |
81.80 |
| 9 |
-1 |
-1 |
-1 |
1 |
60.21 |
56.53 |
58.37 ± 2.60 |
61.21 |
| 10 |
1 |
-1 |
-1 |
1 |
66.99 |
71.85 |
69.42 ± 3.44 |
73.48 |
| 11 |
-1 |
1 |
-1 |
1 |
76.09 |
78.47 |
77.28 ± 1.69 |
76.08 |
| 12 |
1 |
1 |
-1 |
1 |
85.99 |
86.91 |
86.45 ± 0.65 |
83.42 |
| 13 |
-1 |
-1 |
1 |
1 |
65.33 |
70.65 |
67.99 ± 3.76 |
67.34 |
| 14 |
1 |
-1 |
1 |
1 |
76.00 |
79.62 |
77.81 ± 2.55 |
81.86 |
| 15 |
-1 |
1 |
1 |
1 |
82.98 |
77.58 |
80.28 ± 3.83 |
82.59 |
| 16 |
1 |
1 |
1 |
1 |
90.09 |
93.69 |
91.89 ± 2.55 |
91.48 |
| 17 |
-2 |
0 |
0 |
0 |
62.90 |
56.84 |
59.87 ± 4.29 |
57.35 |
| 18 |
2 |
0 |
0 |
0 |
78.90 |
78.02 |
78.46 ± 0.63 |
75.27 |
| 19 |
0 |
-2 |
0 |
0 |
56.09 |
63.65 |
59.87 ± 5.34 |
51.05 |
| 20 |
0 |
2 |
0 |
0 |
88.98 |
85.02 |
87.00 ± 2.80 |
90.11 |
| 21 |
0 |
0 |
-2 |
0 |
70.02 |
60.50 |
65.26 ± 6.73 |
63.39 |
| 22 |
0 |
0 |
2 |
0 |
80.99 |
81.39 |
81.19 ± 0.28 |
77.36 |
| 23 |
0 |
0 |
0 |
-2 |
63.60 |
57.30 |
60.45 ± 4.45 |
55.54 |
| 24 |
0 |
0 |
0 |
2 |
85.99 |
87.43 |
86.71 ± 1.02 |
85.07 |
| 25 |
0 |
0 |
0 |
0 |
56.99 |
59.93 |
58.46 ± 2.07 |
58.43 |
| 26 |
0 |
0 |
0 |
0 |
58.46 |
59.45 |
58.95 ± 0.07 |
58.43 |
| 27 |
0 |
0 |
0 |
0 |
60.09 |
56.83 |
58.46 ± 2.31 |
58.43 |
| 28 |
0 |
0 |
0 |
0 |
58.46 |
57.51 |
57.98 ± 0.67 |
58.43 |
| 29 |
0 |
0 |
0 |
0 |
60.82 |
55.18 |
58.00 ± 3.99 |
58.43 |
| 30 | 0 | 0 | 0 | 0 | 58.46 | 59.01 | 58.73 ± 0.39 | 58.43 |
a: X1:Temperature; b: X2: Molar ratio (D-isoascorbic: palmitic acid);
c: X3: Enzyme load; d: X4: Ultrasound power.