Research Article
Enhancement of 2,3-Butanediol Production by Klebsiella oxytoca PTCC 1402
Table 2
The experimental setup (L-18 orthogonal array).
| | Expt. no. | Factor levels | 2,3-butanediol yield (g product/g substrate) | | a | b | c | d | e | f | g |
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0.120 | | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0.341 | | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 0.204 | | 4 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 0.272 | | 5 | 2 | 2 | 2 | 3 | 3 | 1 | 1 | 0.432 | | 6 | 2 | 3 | 3 | 1 | 1 | 2 | 2 | 0.303 | | 7 | 3 | 1 | 2 | 1 | 3 | 2 | 3 | 0.404 | | 8 | 3 | 2 | 3 | 2 | 1 | 3 | 1 | 0.186 | | 9 | 3 | 3 | 1 | 3 | 2 | 1 | 2 | 0.076 | | 10 | 1 | 1 | 3 | 3 | 2 | 2 | 1 | 0.129 | | 11 | 1 | 2 | 1 | 1 | 3 | 3 | 2 | 0.293 | | 12 | 1 | 3 | 2 | 2 | 1 | 1 | 3 | 0.244 | | 13 | 2 | 1 | 2 | 3 | 1 | 3 | 2 | 0.297 | | 14 | 2 | 2 | 3 | 1 | 2 | 1 | 3 | 0.420 | | 15 | 2 | 3 | 1 | 2 | 3 | 2 | 1 | 0.322 | | 16 | 3 | 1 | 3 | 2 | 3 | 1 | 2 | 0.138 | | 17 | 3 | 2 | 1 | 3 | 1 | 2 | 3 | 0.308 | | 18 | 3 | 3 | 2 | 1 | 2 | 3 | 1 | 0.222 |
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