Assertion: alkaline lignin | /r/HasProperty | based on pretreatment of the samples
Facets:
Source sentences:
text: The acid detergent lignin (ADL) method  is based on pretreatment of the samples with an acid detergent solution (ADS), in which proteins, nonstructural carbohydrates, lipids, pectin, and hemicelluloses are removed, leaving a residue of cellulose and lignin.