Abstract
Depolymerization of kraft lignin and decarboxylation of vanillic acid was investigated with lignin peroxidase, laccase, horseradish peroxidase (HRP) and manganese-dependent peroxidase (Mn-peroxidase) with and without cellobiose: quinone oxidoreductase (CBQase) and cellobiose. Polymerization of kraft lignin by lignin peroxidase decreased in the presence of CBQase plus cellobiose, whereas vanillic acid decarboxylation by lignin peroxidase, laccase, HRP and Mn-peroxidase was strongly inhibited by CBQase plus cellobiose. Veratryl alcohol oxidation by lignin peroxidase was also inhibited by active CBQase.
Published Version
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