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Effect of nitrogen sources on enzyme production by Streptomyces sp. Al-Dhabi-49.
| Nitrogen source (1%) | Enzyme activity (U/ml) |
|
|---|---|---|
| Protease | Lipase | |
| Beef extract | 172 ± 10.1 | 167 ± 4.2 |
| Malt extract | 252 ± 10.1 | 173 ± 10.8 |
| Peptone | 263 ± 4.7 | 157 ± 17.9 |
| Glycine | 179 ± 5.9 | 98 ± 16.9 |
| Ammonium sulphate | 177 ± 11.9 | 86 ± 10.2 |
| Ammonium nitrate | 159 ± 9.1 | 148 ± 18.2 |
| Urea | 159 ± 4.8 | 149 ± 12.4 |
| Control | 168 ± 11.8 | 143 ± 10.6 |
