MOKUZAI HOZON (Wood Protection)
Online ISSN : 1884-0116
Print ISSN : 0287-9255
ISSN-L : 0287-9255
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Volume 44, Issue 5
Displaying 1-8 of 8 articles from this issue
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Review
Commentation
Original Article
  • Preservative treatment of wood by using protein denaturation
    Miku YAMAZAKI, Naotake KONNO, Futoshi ISHIGURI, Norihiro AZUMA, Naoto ...
    2018 Volume 44 Issue 5 Pages 301-307
    Published: 2018
    Released on J-STAGE: December 01, 2018
    DOIhttps://doi.org/10.5990/jwpa.44.301
    JOURNAL FREE ACCESS
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    An environmentally compatible wood preservation was attempted by using whey protein isolate （WPI）, which is a water-soluble protein and derived from milk whey. Sugi （Japanese cedar, Cryptomeria japonica D. Don） sapwood specimens were impregnated with WPI and heated to denature and insolubilize proteins. The fungal decay test using a brown-rot fungus Fomitopsis palustris and a white-rot fungus Trametes versicolor revealed higher durability of WPI-treated wood than control specimens. Their durability was further improved by adding antifungal components such as boric acid and cyproconazole,and the mass loss of 3% or less after decay test was accomplished.
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