|
|
Table 2. Screening
of molasses media obtained from different Pakistani Sugar Mills by Aspergillus
niger GCBT7. All the fermentations
were carried out at 30ºC following growth on 150 g/l initial sugar concentration.
The initial pH of the molasses medium was kept constant at 6.0 throughout
the fermentation period of 6-days.
|
|
Sugar Mills |
Citric acid anhydrous (g/l) |
% Yield* |
Mycelial morphology |
|
Madina Sugar Mills |
57.60 |
61.54 |
Small round pellets |
|
Pattoki Sugar Mills |
46.15 |
54.87 |
Fine pellets |
|
Kamalia Sugar Mills |
85.56 |
91.90 |
Intermediate pellets |
|
Premier Sugar Mills |
77.65 |
88.32 |
Mixed pellets |
|
Rahwali Sugar Mills |
34.68 |
43.70 |
Gummy mass |
|
Chunian Sugar Mills |
62.55 |
75.24 |
Mixed broken mycelia |
| * based on the sugar consumed. |
|
|