Fig. 1From: Glycolic acid-based deep eutectic solvents boosting co-production of xylo-oligomers and fermentable sugars from corncob and the related kinetic mechanismFT-IR spectra of corncob residues obtained from different DES treatment. A The basic DES systems; B. the metal inorganic salts incorporated DES systems. a 3387 cm−1; b 1732 cm−1; c 1608 cm−1; d 1512 cm−1; e 1249 cm−1; f 896 cm−1; g 834 cm−1Back to article page