Enhancing the Antioxidant Activity of Technical Lignins by Combining Solvent Fractionation and Ionic‐Liquid Treatment. - Majira, Amel; Godon, Blandine; Foulon, Laurence; Putten, Jacinta C.; Cézard, Laurent; Thierry, Marina; Pion, Florian; Bado‐Nilles, Anne; Pandard, Pascal; Jayabalan, Thangavelu; Aguié‐Béghin, Véronique; Ducrot, Paul‐Henri; et al. (ChemSusChem, 2019)