Table 4 Summary of the biosurfactant production by B. pumilus 2A strain on different waste from food industry
Carbon source | Biosurfactant amount (mg/L) | Bacterial biomass (g/L) | pH post-culture | Emulsifying activity OD500 | Emulsion index (%) | Oil displacement (cm) ± 2 mm |
|---|---|---|---|---|---|---|
Molasses | 4068.57 ± 81.37 | 4.042 ± 0.08 | 6.83 ± 0.2 | 1.977 ± 0.096 | 30.77 ± 0.104 | 5 |
Beet pulp | 650.01 ± 32.50 | 0.758 ± 0.01 | 7.00 ± 0.2 | 1.704 ± 0.181 | 31.09 ± 0.075 | 4 |
Brewer’s spent grains | 6800.02 ± 136.0 | 5.367 ± 0.01 | 8.20 ± 0.2 | 2.067 ± 0.069 | 57.14 ± 0.007 | 8 |
Waste cooking oil | 641.67 ± 32.08 | 0.808 ± 0.01 | 6.13 ± 0.2 | 1.556 ± 0.151 | 34.17 ± 0.137 | 3.5 |