Assertion: lignin's chemical structure | /r/HasProperty | complex
Facets:
value: highly
type: DEGREE
Source sentences:
text: The chemical structure of native lignin is highly complex and varies with the plant type, its geographical origin, and age.
text: The chemical structure of lignin is complex and can be described by the average empirical formula (C 9 H 10 O 2 (OCH 3 ) n ), which is based on the phenylpropanoid unit (Kun and Pukánszky 2017).