By the combined use of 31P-, 1H- and 2D homonuclear NMR spectroscopy it was possible to evaluate the structural modifications occurring in the early stages of wheat straw lignin begradation by the solid-state fermentation of the white-rot fungus Lentinus edodes. Lignin was oxidatively degraded through stereoselective side chain oxidation and aromatic ring cleavage. A lower etrythro/threo ratio and the occurrence of aliphatic chains were observed in the decayed lignin.
Biodegradation of wheat lignin by Lentinus edodes
Crestini C;
1997-01-01
Abstract
By the combined use of 31P-, 1H- and 2D homonuclear NMR spectroscopy it was possible to evaluate the structural modifications occurring in the early stages of wheat straw lignin begradation by the solid-state fermentation of the white-rot fungus Lentinus edodes. Lignin was oxidatively degraded through stereoselective side chain oxidation and aromatic ring cleavage. A lower etrythro/threo ratio and the occurrence of aliphatic chains were observed in the decayed lignin.
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