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Antifungal effects of hinokitiol and its sodium salt for wood protection

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https://ir.library.oregonstate.edu/concern/articles/3f4625777

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Abstract
  • The ability of natural and synthetic hinokitiol, as well as a water soluble derivative (hinokitiol sodium salt), to protect wood against fungal attack was examined. Synthetic and natural hinokitiol provided similar protection. All three materials exhibited similar antifungal activity against Aspergillus niger and Penicillium citrinum on yellow poplar wafers at concentrations of 1 mg/mL or greater. Fungal attack by Gloeophyllum trabeum or Trametes versicolor was completely inhibited in soil block tests in wood treated with any of the three extracts at concentrations of 20 mg/mL or greater. The water soluble hinokitiol sodium salt was highly susceptible to leaching, and blocks subjected to leaching had little resistance to fungal attack. The results suggest that further formulation development will be necessary to produce a water-soluble hinokitiol system that can resist leaching and retain biological activity.
  • This is the publisher’s final pdf. The published article is copyrighted by the author(s) and published by North Carolina State University, Department of Wood and Paper Science. The published article can be found at: http://www.ncsu.edu/bioresources/.
  • Keywords: Hinokitiol, Wood protection, Hinokitiol sodium salt
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  • Li, S., Freitag, C. M., Morrell, J. J., and Okabe, T. (2012). "Antifungal effects of hinokitiol and its sodium salt for wood protection," BioResources. 7(4), 5312-5318.
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  • 7
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  • 4
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  • The authors are grateful for the support of Heilongjiang Province for overseas (LC08C28) and the National Natural Science Foundation of China (30871993).
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