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. 2019 Aug 29;7:565. doi: 10.3389/fchem.2019.00565

Figure 7.

Figure 7

Model of molecular structure and architecture of the amorphous component of wood— (A,B) Concept of lignin-carbohydrate copolymer (LCC) self-associating (“contracting”) with lignin-rich phases via secondary bonds (on the nano-scale); this effect of copolymer structure on solution behavior has been studied using LCC-model copolymers by Esker et al. (see Gradwell et al., 2004; Westbye et al., 2007; Kaya et al., 2009); (C) Schematic lignin-carbohydrate complex with benzyl ether linkage between lignin and branched xylan.