Table 3.
Effect of different carbon and nitrogen sources on the yield of GP-1 by strain ZX01
| Carbon sources | The yield of GP-1 (µg/L) | Nitrogen sources | The yield of GP-1 (µg/L) |
|---|---|---|---|
| Soluble starch | 482.36a | Yeast extract | 534.83a |
| Lactose | 438.14ab | Peptone | 500.67ab |
| Sucrose | 427.83bc | Soy peptone | 471.42b |
| Fructose | 407.93bc | Tryptone | 456.71b |
| Glucose | 366.56c | Beef extract | 452.75b |
| Maltose | 363.12c | Fish meal | 378.58c |
| Glycerol | 211.28d | Urea | 352.20c |
Data in the table were average of three replicates, and different letters in each column indicated significant differences at the 5% level by Duncan’s multiple comparison