Table 1 The production and range of molecular mass of the fermentation products
From: Effect of glucose on poly-γ-glutamic acid metabolism in Bacillus licheniformis
Sample | Crude extract (g/L) | γ-PGA (g/L) | Polysaccharide (g/L) | γ-PGA (%) | Polysaccharide (%) | Mw (Da) |
|---|---|---|---|---|---|---|
γ-PGA | 17.988 ± 1.24 | 14.82 ± 1.69 | 0.94 ± 0.25 | 82.41 ± 7.39 | 5.2 ± 0.55 | 1.38 × 106 ~ 2.04 × 107 |
γ-PGA + 5 g | 19.968 ± 1.57 | 11.27 ± 1.16 | 0.89 ± 0.46 | 56.42 ± 3.18 | 4.45 ± 0.79 | 4.25 × 104; 4.57 × 104 5.38 × 104; 6.38 × 105 |
γ-PGA + 10 g | 19.44 ± 1.03 | 6.15 ± 0.85 | 8.45 ± 1.02 | 31.63 ± 4.33 | 43.47 ± 6.81 | 2.57 ×104; 3.36 × 104 5.39 × 105~ 1.58 × 106 |