Table 3 Effect of inoculum size on the biomass and vitamin B12 amount produced by four Bacillus strains
Strain | 5% inoculum | 10% inoculum | 15% inoculum | ||||||
|---|---|---|---|---|---|---|---|---|---|
Biomass g/100 mL | Vitamin B12µg/100 mL culture | Vitamin B12µg g−1cells | Biomass g/100 mL | Vitamin B12µg/100 mL culture | Vitamin B12µg g−1cells | Biomass g/100 mL | Vitamin B12µg/100 mL culture | Vitamin B12µg g−1cells | |
MZ01 | 0.5 ± 0.41 | 10.03 ± 0.01** | 18.81 | 0.9 ± 0.58 | 174.14 ± 0.11* | 193.49 | 0.91 ± 0.41 | 29.88 ± 0.10** | 32.85 |
MZ08 | 0.935 ± 0.08 | 1.45 ± 0.00 | 1.55 | 0.4 ± 0.02 | 174.14 ± 0.13 | 435.35 | 1.1 ± 0.00 | 2.67 ± 0.01 | 2.43 |
JT17 | 0.1 ± 0.16 | 8.93 ± 0.00 | 89.28 | 0.1 ± 0.00 | 10.60 ± 0.03 | 106 | 1.01 ± 0.01 | 17.88 ± 0.05 | 17.71 |