Table 5.
Effect of complex nitrogen sources on DCW and CoQ10 production by PK38 with batch culture.
| CSP + (NH4)2SO4 (g/L) | DCW (g/L) | CoQ10 production (mg/L) | Specific CoQ10 content (mg/g-DCW) |
|---|---|---|---|
| 20 + 0 | 7.16 + 0.116d | 17.65 + 0.098d | 2.466 + 0.017c |
| 20 + 5 | 6.73 + 0.139f | 16.17 + 0.091f | 2.403 + 0.010c |
| 20 + 10 | 6.92 + 0.097e | 17.08 + 0.082e | 2.467 + 0.027c |
| 20 + 15 | 7.13 + 0.067d | 17.60 + 0.115d | 2.469 + 0.031c |
| 30 + 0 | 7.46 + 0.095c | 18.92 + 0.146c | 2.536 + 0.047b |
| 30 + 5 | 7.65 + 0.107b | 19.40 + 0.284b | 2.537 + 0.068b |
| 30 + 10 | 7.86 + 0.090a | 20.62 + 0.121a | 2.624 + 0.032a |
| 30 + 15 | 7.60 + 0.512b | 18.54 + 0.085c | 2.439 + 0.162c |
Data are shown as mean ± SD (n = 3). Means with the same letter are not significantly different as indicated by Duncan's multiple range test (P < 0.05).