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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Use of hemicellulase in sequence with hydrogen peroxide and laccase for improvement of teak veneer surface color

Journal of Wood Science volume 56, pages 184–188 (2010)Cite this article

Abstract

Teak veneer was treated with a commercial hemicellulase from Thermomyces lanuginosus in sequence with hydrogen peroxide or a hydrogen peroxide-laccase mixture to improve the veneer surface color and at the same time to reduce the necessary amount of hydrogen peroxide. The removal of a small portion of hemicellulose from the teak veneer surface could be carried out after treatment with the hemicellulase preparation as 0.05 xylanase unit/ml for 30 min. The veneer samples immediately after the hemicellulase treatment were subjected to the designated concentration of hydrogen peroxide or hydrogen peroxide-laccase mixture at 60°C at pH 6.5 for 4 h. The changes in veneer color were measured by using imaging technology as percentage change in gray scale. A treatment combination of hemicellulase containing xylanase, hydrogen peroxide, and laccase yielded a color improvement close to that achieved using 20% hydrogen peroxide. The results showed that hemicellulase pretreatment could improve the bleachability of teak veneer surfaces treated with hydrogen peroxide or hydrogen peroxide-laccase mixture.

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Authors and Affiliations

  1. Biochemical Engineering Laboratory, Department of Chemical Engineering, Chulalongkorn University, Phayathai Road, Bangkok, 10330, Thailand

    Bhavadee Iamtasna, Seeroong Prichanont & Chirakarn Muangnapoh

  2. Metro Top Wood Co. Ltd. (Metroply Group), Nonthaburi, Thailand

    Taviwan Piyasombatkul

Authors
  1. Bhavadee Iamtasna
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  2. Taviwan Piyasombatkul
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  3. Seeroong Prichanont
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  4. Chirakarn Muangnapoh
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Correspondence to Chirakarn Muangnapoh.

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Iamtasna, B., Piyasombatkul, T., Prichanont, S. et al. Use of hemicellulase in sequence with hydrogen peroxide and laccase for improvement of teak veneer surface color. J Wood Sci 56, 184–188 (2010). https://doi.org/10.1007/s10086-009-1095-4

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  • DOI: https://doi.org/10.1007/s10086-009-1095-4

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