Assertion: lignin's amount | /r/HasProperty | 2 and 1%
Facets:
Source sentences:
text: On the opposite, phloem and xylem present a lignin with less phenylcoumarans (13 and 9% respectively), dibenzodioxocins (2 and 1%) but more resinols (7 and 8%) and a small amount of open β−1 structures (2 and 1%).