| Title | Green solvents extraction-based detoxification to enhance the enzymatic hydrolysis of steam-exploded lignocellulosic biomass and recover bioactive compounds |
|---|---|
| ID_Doc | 29983 |
| Authors | Cañadas, R; Martín-Sampedro, R; González-Miquel, M; González, EJ; Ballesteros, I; Eugenio, ME; Ibarra, D |
| Title | Green solvents extraction-based detoxification to enhance the enzymatic hydrolysis of steam-exploded lignocellulosic biomass and recover bioactive compounds |
| Year | 2023 |
| Published | |
| Abstract | A novel strategy for pre-treated biomass detoxification combining emerging green solvents and low environmental impact extraction technologies was evaluated. Steam-exploded biomass was subjected to microwaveassisted or orbital shaking extraction using bio-based or eutectic solvents. The extracted biomass was enzymatically hydrolysed. The potential of this detoxification methodology was studied in terms of phenolic inhibitors extraction and sugar production improvement. The effect of adding a post-extraction water washing step before hydrolysis was also evaluated. Excellent results were achieved when steam-exploded biomass was subjected to the microwave-assisted extraction combined with the washing step. The highest sugar production was achieved when ethyl lactate was used as extraction agent (49.80 & PLUSMN; 3.10 g total sugar/L) over the control (30.43 & PLUSMN; 0.34 g total sugar/L). Results suggested that a detoxification step based on green solvents would be a promising option to extract phenolic inhibitors, which can be revalorized as antioxidants, and improve the sugar production from the extracted pre-treated biomass. |
| https://digital.csic.es/bitstream/10261/331850/3/GREEN_SOLVENTS_EXTRACTION.pdf |
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