Table 2 Three independent variables set of 20 experiments were designed and performed at five levels and one repetition for GABA concentration by Lac. lactis 311.
Run | Variables | GABA (mg/ml) | |||
|---|---|---|---|---|---|
MSG (X1) | T (X2) | pH (X3) | Experimental value | Predicted value | |
1 | 87.5 | 41 | 4.5 | 0.345 | 0.351 |
2 | 25 | 37 | 5 | 0.310 | 0.308 |
3 | 25 | 37 | 4 | 0.340 | 0.289 |
4 | 150 | 25 | 5 | 0.301 | 0.295 |
5 | 87.5 | 31 | 4.5 | 0.389 | 0.381 |
6 | 150 | 37 | 5 | 0.350 | 0.385 |
7 | 150 | 25 | 4 | 0.280 | 0.260 |
8 | 87.5 | 31 | 4.5 | 0.370 | 0.381 |
9 | 150 | 37 | 4 | 0.370 | 0.358 |
10 | 25 | 25 | 4 | 0.193 | 0.194 |
11 | 87.5 | 31 | 4.5 | 0.390 | 0.381 |
12 | 87.5 | 31 | 4.5 | 0.388 | 0.381 |
13 | 192.6 | 31 | 4.5 | 0.390 | 0.365 |
14 | 87.5 | 20.9 | 4.5 | 0.175 | 0.196 |
15 | 5 | 31 | 4.5 | 0.285 | 0.279 |
16 | 87.5 | 31 | 4.5 | 0.380 | 0.381 |
17 | 25 | 25 | 5 | 0.231 | 0.222 |
18 | 87.5 | 31 | 4.5 | 0.400 | 0.381 |
19 | 87.5 | 31 | 3.6 | 0.278 | 0.281 |
20 | 87.5 | 31 | 5.3 | 0.324 | 0.327 |