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Table 2 DSC thermal properties of PHB extracted with chloroform (control) and DMC for a mixing time of 90 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     4.8 41    176   [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]
  1. The filter was present in all cases
  2. Tg, glass transition temperature; Tc, crystallization temperature; ΔHm, melting enthalpy; ΔHc, crystallization enthalpy; Cr, the degree of crystallization; Tm, melting temperature