Variable | Unit | Level | ||
---|---|---|---|---|
Name | Code | Low [−] | High [+] | |
Corn cob | A | % | 0.5 | 1.5 |
Rice straw | B | % | 0 | 0.5 |
Yeast extract | C | % | 0.2 | 0.5 |
Malt extract | D | % | 0 | 0.5 |
K2HPO4 | E | % | 0.05 | 0.2 |
MgSO4.7H2O | F | % | 0.025 | 0.1 |
KCl | G | % | 0.025 | 0.075 |
(NH4)2SO4 | H | % | 0 | 0.1 |
CaCl2 | J | % | 0 | 0.1 |
Incubation time | K | day | 5 | 8 |
Inoculum size | L | % | 2 | 4 |