Prebleaching of kraft pulp with full-length and truncated forms of a thermostable modular xylanase from Rhodothermus marinus

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Abstract

Full-length and truncated forms of a modular thermostable xylanase (EC 3.2.1.8., glycoside hydrolase family 10) were used in bleaching sequences of hardwood and softwood kraft pulps. Enzymatic treatment led to brightness gains of all pulps but the result depended on the pulp source. The presence of the additional domains in the full-length enzyme (including carbohydrate-binding modules) did not improve the bleaching process. No significant change in viscosity was seen after enzyme treatments indicating an unaffected pulp fibre length.

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Subject classification (UKÄ) – MANDATORY

  • Industrial Biotechnology

Keywords

  • carbohydrate binding module, CBM, GH10, glycoside hydrolase family 10
Original languageEnglish
Pages (from-to)1191-1197
JournalBiotechnology Letters
Volume24
Issue number14
Publication statusPublished - 2002
Publication categoryResearch
Peer-reviewedYes