Assertion: lignin's group | /r/HasProperty | linked to guayacil moieties
Facets:
value: with minor proportions
type: OTHER
Source sentences:
text: Methoxyl groups accounted for 12.56 wt% of OL, and the 31P-RMN spectra recorded for this material (see Fig. 1) showed that the hydroxyl groups were linked mainly to guayacil moieties and aliphatic chains, with minor proportions attached to syringyl, condensed and p-hydroxyphenil units.