Table 5.
The Box-Behnken design and results of experiments.
| Parameters | Response | ||||
|---|---|---|---|---|---|
| Run |
A: Initial cholecalciferol
concentration (IU/ml) |
B: Tryptone (g/l) |
C: Sucrose
% (w/v) |
D: Shaking
speed (rpm) |
Cholecalciferol per
dry cell weight (IU/g) |
| 1 | 250000.00 | 2.00 | 5.00 | 100.00 | 2629.61 |
| 2 | 250000.00 | 0.50 | 5.00 | 100.00 | 1321.96 |
| 3 | 250000.00 | 1.25 | 2.00 | 100.00 | 1144.07 |
| 4 | 100000.00 | 1.25 | 2.00 | 150.00 | 1566.53 |
| 5 | 250000.00 | 0.50 | 2.00 | 150.00 | 1228.04 |
| 6 | 250000.00 | 1.25 | 2.00 | 200.00 | 1405.95 |
| 7 | 250000.00 | 0.50 | 5.00 | 200.00 | 856.59 |
| 8 | 100000.00 | 0.50 | 5.00 | 150.00 | 1182.94 |
| 9 | 100000.00 | 2.00 | 5.00 | 150.00 | 1825.58 |
| 10 | 100000.00 | 1.25 | 5.00 | 100.00 | 1325.95 |
| 11 | 250000.00 | 1.25 | 5.00 | 150.00 | 3675.29 |
| 12 | 250000.00 | 1.25 | 5.00 | 150.00 | 3633.74 |
| 13 | 250000.00 | 1.25 | 5.00 | 150.00 | 3806.85 |
| 14 | 100000.00 | 1.25 | 8.00 | 150.00 | 1917.69 |
| 15 | 250000.00 | 2.00 | 5.00 | 200.00 | 1967.35 |
| 16 | 250000.00 | 0.50 | 8.00 | 150.00 | 1649.03 |
| 17 | 100000.00 | 1.25 | 5.00 | 200.00 | 785.331 |
| 18 | 400000.00 | 2.00 | 5.00 | 150.00 | 3880.96 |
| 19 | 400000.00 | 1.25 | 2.00 | 150.00 | 2263.93 |
| 20 | 250000.00 | 1.25 | 5.00 | 150.00 | 3629.65 |
| 21 | 400000.00 | 1.25 | 5.00 | 100.00 | 2380.49 |
| 22 | 250000.00 | 2.00 | 8.00 | 150.00 | 3753.4 |
| 23 | 400000.00 | 0.50 | 5.00 | 150.00 | 1775.68 |
| 24 | 400000.00 | 1.25 | 8.00 | 150.00 | 3625.97 |
| 25 | 250000.00 | 1.25 | 8.00 | 200.00 | 1659.39 |
| 26 | 250000.00 | 1.25 | 8.00 | 100.00 | 2751.53 |
| 27 | 250000.00 | 2.00 | 2.00 | 150.00 | 2234.16 |
| 28 | 250000.00 | 1.25 | 5.00 | 150.00 | 3580.94 |
| 29 | 400000.00 | 1.25 | 5.00 | 200.00 | 1921.96 |