Chemical | Concentration | Biomass state | Time | Initial PHB content | Purity | Recovery | Mass balance | HB/PHB c |
---|---|---|---|---|---|---|---|---|
[−] | [M;w/v%] | [−] | [h] | [wt%] | [%] | [%] | [%] | [%] |
NaOH | 0.02 | Fresh | 1 | 71.8 ± 5.7 | 77.3 ± 4.0 | 92.2 ± 4.2 | −1.0 ± 3.7 | 97.9 ± 5.3 |
NaOH | 0.05 | Fresh | 1 | 72.7 ± 7.1 | 84.0 ± 1.4 | 94.7 ± 3.2 | −3.9 ± 2.9 | 96.7 ± 4.2 |
NaOH | 0.10 | Fresh | 1 | 65.3 ± 3.1 | 83.8 ± 4.4 | 98.0 ± 1.4 | −1.0 ± 1.4 | 92.1 ± 8.5 |
NaOH | 0.20 | Fresh | 1 | 69.4 ± 1.1 | 86.6 ± 3.0 | 96.7 ± 1.9 | −0.7 ± 2.6 | 97.5 ± 16.7 |
NaOH | 0.20 | Fresh | 0.3 | 68.6 ± 0.7 | 87.3 ± 2.2 | 96.4 ± 2.6 | −2.9 ± 2.4 | 85.9 ± 14.8 |
NaOH | 0.20 | Fresh | 0.5 | 68.6 ± 0.7 | 88.8 ± 0.8 | 98.5 ± 1.8 | −0.7 ± 1.8 | 90.9 ± 18.9 |
NaOH | 0.20 | Fresh | 3 | 68.6 ± 0.7 | 92.1 ± 0.8 | 93.5 ± 2.4 | −1.5 ± 0.6 | 92.0 ± 3.2 |
NaOH | 0.40 | Fresh | 1 | 65.3 ± 3.1 | 87.9 ± 5.4 | 95.2 ± 3.7 | 0.7 ± 3.1 | 89.9 ± 4.8 |
NaOH | 0.70 | Fresh | 1 | 65.3 ± 3.1 | 89.7 ± 5.8 | 90.9 ± 5.0 | 0.4 ± 4.4 | 89.4 ± 7.1 |
NaOH | 1.00 | Fresh | 1 | 65.3 ± 3.1 | 90.6 ± 4.7 | 85.6 ± 2.3 | −0.3 ± 2.1 | 89.1 ± 4.0 |
NH4OH | 0.20 | Fresh | 1 | 68.6 ± 0.7 | 62.6 ± 2.8 | 63.3 ± 16.4 | −3.9 ± 0.9 | 36.3 ± 10.9 |
SDS | 0.20 | Fresh | 1 | 68.0 ± 0.0 | 79.0 ± 1.4 | 63.5 ± 0.7 | 3.6 ± 0.6 | 14.0 ± 1.4 |
NaOH + SDS | 0.20 + 0.025 | Fresh | 1 | 66.1 ± 2.2 | 94.9 ± 2.6 | 92.6 ± 6.9 | −2.7 ± 3.8 | 94.2 ± 6.4 |
NaOH + SDS | 0.20 + 0.050 | Fresh | 1 | 66.1 ± 2.2 | 96.9 ± 1.3 | 93.5 ± 4.8 | −2.4 ± 2.4 | 92.4 ± 3.1 |
NaOH + SDS | 0.20 + 0.100 | Fresh | 1 | 66.1 ± 2.2 | 98.3 ± 0.5 | 91.5 ± 5.9 | −3.9 ± 4.8 | 96.3 ± 4.8 |
NaOH + SDS | 0.20 + 0.200 | Fresh | 1 | 66.1 ± 2.2 | 99.1 ± 0.5 | 91.0 ± 4.9 | −3.1 ± 1.9 | 92.5 ± 5.0 |
NaOH | 0.20 | Freezing | 1 | 65.9 ± 2.4 | 94.1 ± 3.5 | 95.6 ± 2.5 | −2.9 ± 2.1 | 94.3 ± 5.4 |
NaOH | 0.20 | Freeze dried | 1 | 69.9 ± 2.2 | 95.9 ± 3.7 | 95.5 ± 0.6 | −3.2 ± 0.8 | 98.8 ± 0.9 |
NH4OH | 0.20 | Freeze dried | 1 | 69.9 ± 2.2 | 87.4 ± 2.1 | 95.0 ± 1.8 | −3.9 ± 0.9 | 87.1 ± 12.9 |
SDS | 0.20 | Freeze dried | 1 | 69.9 ± 2.2 | 93.5 ± 4.1 | 93.7 ± 2.2 | −3.1 ± 1.6 | 91.3 ± 8.7 |
CH2Cl2 | 30a | Freeze dried | o/nb | 72.2 ± 0.4 | 97.6 | 55.9 | ND | ND |