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Production of D-Lactic Acid by the Fermentation of Orange Peel Waste Hydrolysate by Lactic Acid Bacteria
| Content Provider | Semantic Scholar |
|---|---|
| Author | Bustamante, Daniel Sánchez Tortajada, Marta Ramón, Daniel Rojas, Antonia |
| Copyright Year | 2019 |
| Abstract | Lactic acid is one the most interesting monomer candidates to replace some petroleum- based monomers. The application of conventional poly-lactic acid (PLA) is limited due to insufficient thermal properties. This limitation can be overcome by blending poly-D and poly-L-lactic acid. The main problem is the limited knowledge of D-lactic acid (D-LA) production. Efficient biochemical processes are being developed in order to synthesize D-LA from orange peel waste (OPW). OPW is an interesting renewable raw material for biorefinery processes of biocatalytic, catalytic or thermal nature owing to its low lignin and ash content. Bioprocessing of the pretreated OPW is carried out by enzymatic hydrolysis and fermentation of the released sugars to produce D-LA. Several strains of the species Lactobacillus delbrueckii ssp. bulgaricus have been evaluated for the production of D-LA from OPW hydrolysate using Lactobacillus delbrueckii ssp. delbrueckii CECT 286 as a reference strain since its performance in this kind of substrate have been widely reported in previous studies. Preliminary results show that Lactobacillus delbrueckii ssp. bulgaricus CECT 5037 had the best performance with a yield of 84% w/w for D-LA production and up to 95% (e.e.). |
| Starting Page | 1 |
| Ending Page | 1 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.3390/fermentation6010001 |
| Volume Number | 6 |
| Alternate Webpage(s) | https://res.mdpi.com/d_attachment/fermentation/fermentation-06-00001/article_deploy/fermentation-06-00001-v2.pdf |
| Alternate Webpage(s) | https://doi.org/10.3390/fermentation6010001 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |