Table 2 DSC thermal properties of PHB extracted with chloroform (control) and DMC for a mixing time of 90Â min, from dry and wet biomass
From: Novel insights in dimethyl carbonate-based extraction of polyhydroxybutyrate (PHB)
Solvent | Mixing time (min) | Biomass State | Tda (°C) | Tgb (°C) | Tcc (°C) | ΔHcd (J/g) | Degree of crystallinitye (%) | Tmf (°C) | ΔHmg (J/g) | References |
|---|---|---|---|---|---|---|---|---|---|---|
Chloroform at 60 °C | 120 | Dry | 289 | 2.2 | 68.2 | 60.4 | 41 | 164 | 104 | This work |
DMC at 90 °C | 90 | Dry | 287 | 3.5 | 64.1 | 76.7 | 53 | 168 | 141 | This work |
DMC at 90 °C | 90 | Wet | 287 | 4.5 | 63.2 | 43.8 | 30 | 170 | 83.2 | This work |
Acetone/ethanol/propylene carbonate at 110 °C |  | Wet |  |  |  |  |  | 175 | 88.3 | [15] |
Butyl acetate | Â | Â | Â | 4.8 | 41 | Â | Â | 176 | Â | [14] |
1,2-Propylene carbonate at 100 °C | 45 | Wet |  | 4.9 |  |  | 60 | 176 | 84.5 | [24] |
1,2-Propylene carbonate at 100 °C | 15 | Wet |  | 4.8 |  |  | 57 | 172 | 80.5 | [24] |