TABLE 9.

Summarized table of the different PHA contents in other research studies and earlier reports using corn stover as the hydrolysate.

S.no.	Substrate	Pretreatment/saccharification	Microorganisms for PHA production	Biopolymer	Polymer content	Reference
1	Corn stover hydrolysate	Alkaline pretreatment, densification, and enzyme digestibility	Metabolically engineered Escherichia coli WJ03-02	Poly (3-hydroxybutyrate-co-lactate)	19.00 wt%	Wu et al. (2021a)
2	Corn stover hydrolysate	1% (v/v) sulfuric acid pretreatment and absence of Lev A	Azohydromonas lata DSM 1122	Short-chain polyhydroxyalkanoate	No polymer production	Ashby et al. (2022)
3	Corn stover hydrolysate	1% (v/v) sulfuric acid pretreatment and absence of Lev A	Burkholderia sacchari DSM 17165	Short-chain polyhydroxyalkanoate	17.90%	Ashby et al. (2022)
4	Corn stover hydrolysate	Alkaline (3%sodium hydroxide) and enzymatic saccharification with cellulase from Aspergillus niger	Pseudomonas putida MTCC 2475	Medium-chain polyhydroxyalkanoate	24.40%	This study