Assertion: lignin's group | /r/HasProperty | methoxyl
Facets:
Source sentences:
text: The results in Table 5 also show that the phenolic aldehyde group, methoxyl, and side chain hydroxyl of the syringyl and guaiacyl lignin were reduced, and a large amount of substituted methyl, ethenyl, and ethyl phenol were produced at pyrolysis temperature 800 °C.