The proportion of erythro- and threo-forms of ?-O-4-structures in lignin was elucidated by ozonation analysis of 21 wood species, and the relationship to the syringyl and guaiacyl composition was investigated...
Keywords: ?-O-4 structure, erythro/threo ratio, hardwood, Klason lignin, lignin, methoxyl, nitrobenzene oxidation, ozonation, softwood, stereochemistry, syringyl/guaiacyl ratio