{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wang M"],"funding":["National Natural Science Foundation of China"],"pagination":["5892-5902"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8973980"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(3)"],"pubmed_abstract":["Poly(ε-L-lysine) and poly(L-diaminopropionic acid) are valuable homopoly (amino acids) with antimicrobial properties and mainly produced in submerged fermentation. In this study, we investigated their co-production using waste biomass and spent mushroom substrate in solid-state fermentation. Simultaneous production of poly(L-diaminopropionic acid) and poly(ε-L-lysine) was achieved in a single fermentation process using pearl oyster mushroom residues as substrate, with the supplement of glycerol and corn steep liquor. After optimization of the fermentation parameters, the maximum yield of poly(ε-L-lysine) and poly(L-diaminopropionic acid) reached 51.4 mg/g substrate and 25.4 mg/g substrate, respectively. The optimal fermentation conditions were 70% initial moisture content, pH of 6.5, 30°C "],"journal":["Bioengineered"],"pubmed_title":["Poly(ε-L-lysine) and poly(L-diaminopropionic acid) co-produced from spent mushroom substrate fermentation: potential use as food preservatives."],"pmcid":["PMC8973980"],"funding_grant_id":["31900030"],"pubmed_authors":["Wang M","Rong C"],"additional_accession":[]},"is_claimable":false,"name":"Poly(ε-L-lysine) and poly(L-diaminopropionic acid) co-produced from spent mushroom substrate fermentation: potential use as food preservatives.","description":"Poly(ε-L-lysine) and poly(L-diaminopropionic acid) are valuable homopoly (amino acids) with antimicrobial properties and mainly produced in submerged fermentation. In this study, we investigated their co-production using waste biomass and spent mushroom substrate in solid-state fermentation. Simultaneous production of poly(L-diaminopropionic acid) and poly(ε-L-lysine) was achieved in a single fermentation process using pearl oyster mushroom residues as substrate, with the supplement of glycerol and corn steep liquor. After optimization of the fermentation parameters, the maximum yield of poly(ε-L-lysine) and poly(L-diaminopropionic acid) reached 51.4 mg/g substrate and 25.4 mg/g substrate, respectively. The optimal fermentation conditions were 70% initial moisture content, pH of 6.5, 30°C ","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Mar","modification":"2026-06-18T03:12:01.453Z","creation":"2025-04-05T15:59:17.475Z"},"accession":"S-EPMC8973980","cross_references":{"pubmed":["35188864"],"doi":["10.1080/21655979.2022.2040876"]}}