Table 7.
β-Galactosidase activity of A. chroococcum Mac 27 L as affected by other bacteria.
| Culture | Cell concentration (600 nm) | Colour intensity | ||
|---|---|---|---|---|
|
|
|
|||
| Mixed Culture | Lac Z marked | Absorbance (420 nm) | M.U. | |
| Mac 27 | 1.25 | - | 0.011 | - |
| Mac 27 L | 1.20 | 1.20 | 1.0 | 11700 |
| Mac 27 +Mac 27 L(1:1) | 1.22 | 0.61 | 0.49 | 11300 |
| Mac 27 +Mac 27 L(4:1) | 1.28 | 0.256 | 0.215 | 11800 |
| Bacillus | 1.482 | - | 0.016 | - |
| Mac 27 L+ Bacillus (1:1) | 1.33 | 0.665 | 0.56 | 11900 |
| Mac 27 L+ Bacillus (1:4) | 1.46 | 0.292 | 0.24 | 11600 |
| Pseudomonas | 0.95 | - | 0.017 | - |
| Mac 27 L+ Pseudomonas (1:1) | 1.1 | 0.55 | 0.47 | 12000 |
| Mac 27 L+ Pseudomonas (1:4) | 1.0 | 0.2 | 0.17 | 12000 |
| Mac 27 L+ Pseudomonas + Bacillus (1:1:1) | 0.96 | 0.32 | 0.27 | 11900 |
| Mac 27 L+ Pseudomonas + Bacillus (1:2:2) | 0.9 | 0.18 | 0.15 | 11900 |
| Mac 27 L + Bacillus (1:9) | 1.026 | 0.103 | 0.072 | 11400 |