Assertion: lignin's group | /r/HasProperty | responsible for its reactivity
Facets:
Source sentences:
text: The lignin macromolecule carries multiple functional groups, which are responsible for its reactivity: hydroxyl (either phenolic or aliphatic), methoxyl, carboxyl, carbonyl, benzyl alcohol, hydrolysable ether linkages, and condensed units in C2, C5, and C6 (Sjöström 1993; Brunow et al. 1998; Wang et al. 2017).