thermophilic ( 55 degrees c ) anaerobic enrichment cultures were incubated with [ c-lignin ] lignocellulose , [ c-polysaccharide ] lignocellulose , and kraft [ c ] lignin prepared from slash pine , pinus elliottii , and c-labeled preparations of synthetic lignin and purified cellulose .
C0023705
lignin
C0007648
cellulose