eISSN 1738-8872
pISSN 1017-7825
pISSN 1017-7825
Table. 2.
Table. 2.
Central composite design matrix of nutrient components, along with predicted and observed values for p-CY02 production.
| Trial No. | Variables |
p-CY02 | |||
|---|---|---|---|---|---|
| X1 | X2 | X3 | Predicted value (g/l) | Production (g/l) | |
| 1 | -1 | -1 | -1 | 1.984 | 2.003 ± 0.032 |
| 2 | 1 | -1 | -1 | 1.382 | 1.337 ± 0.011 |
| 3 | -1 | 1 | -1 | 1.895 | 1.833 ± 0.025 |
| 4 | 1 | 1 | -1 | 1.528 | 1.553 ± 0.039 |
| 5 | -1 | -1 | 1 | 1.758 | 1.675 ± 0.028 |
| 6 | 1 | -1 | 1 | 1.338 | 1.343 ± 0.004 |
| 7 | -1 | 1 | 1 | 1.686 | 1.673 ± 0.032 |
| 8 | 1 | 1 | 1 | 1.502 | 1.425 ± 0.021 |
| 9 | -1.68 | 0 | 0 | 1.977 | 2.033 ± 0.025 |
| 10 | 1.68 | 0 | 0 | 1.316 | 1.343 ± 0.039 |
| 11 | 0 | -1.68 | 0 | 1.979 | 2.013 ± 0.039 |
| 12 | 0 | 1.68 | 0 | 2.041 | 2.090 ± 0.000 |
| 13 | 0 | 0 | -1.68 | 1.447 | 1.453 ± 0.011 |
| 14 | 0 | 0 | 1.68 | 1.235 | 1.307 ± 0.011 |
| 15 | 0 | 0 | 0 | 2.189 | 2.118 ± 0.004 |
| 16 | 0 | 0 | 0 | 2.189 | 2.178 ± 0.004 |
| 17 | 0 | 0 | 0 | 2.189 | 2.225 ± 0.007 |
| 18 | 0 | 0 | 0 | 2.189 | 2.173 ± 0.004 |
| 19 | 0 | 0 | 0 | 2.189 | 2.232 ± 0.004 |
| 20 | 0 | 0 | 0 | 2.189 | 2.195 ± 0.035 |
aX1, KCl; X2, Na2SO4; X3, CaCl2
b+1, high concentration of variable; -1, low concentration of variable; 0, intermediate concentration of variable; -1.68 and +1.68, axial points.
J. Microbiol. Biotechnol. 2024;34:1135~1145 https://doi.org/10.4014/jmb.2402.02037
© J. Microbiol. Biotechnol.