Table 3.
Chemical characterization of EPSs produced by bacilli isolated from Eolian shallow vents.
| Properties | EPS2-B3-15 | EPS2-B3-72 | EPS1-T14 |
|---|---|---|---|
| EPS production (mg·L−1) | 165 | 70 | 366 |
| Sugar-media | Glucose | Glucose | Sucrose |
| Carbohydrate content (%) | 66 | 80 | 99 |
| Protein content (%) | 5 | 3 | 1.2 |
| Molecular weight (KDa) | 600 | 400 | 1000 |
| Monosaccharide composition (ratio of relative portion) | Man | Man/Glu (1:0.2) | Fru/Fuc/Glu/GalN/Man (1.0:0.75:0.28:trace:trace) |
| Saccaride repeating unit | Tetrasaccharide | Trisaccharide | Trisaccharide |
| Anomeric configuration | Manno-pyranosidic | Manno-pyranosidic | Manno-pyranosidic |