Assertion: lignin | /r/MadeOf | s monolignols
Facets:
value: in herbaceous crops
type: LOCATION
value: in different proportions
type: OTHER
Source sentences:
text: In herbaceous crops, lignin contains H, G, and S monolignols in different proportions, whereas in woody plants, lignin contains mostly G and S units (Billa et al. 1998; Lapierre et al. 1995).