Assertion: lignin's form | /r/HasProperty | original untreated
Facets:
Source sentences:
text: Enzymatic hydrolysis of brewer's spent grain in three different forms: original (untreated), pretreated by dilute acid (cellulignin), and pretreated by a sequence of dilute acid and dilute alkali (cellulose pulp), was studied to verify the effect of hemicellulose and lignin on cellulose conversion into glucose.