S.No Recovery process PHB Recovery (%) PHB purity (%)
1. Alkali treatment 80.0 ± 1.04 91.0 ± 0.58
2. Chlorinated solvent extraction (chloroform-hypochlorite dispersion) 95.0 ± 0.5 97.0 ± 0.29
3. Aquas two phase separation (ATPS) 90.0 ± 1.0 95.0 ± 0.76
Table 1: Comparison of three recovery process based on percentage recovery and purity.