Laboratory evaluation of the anti-stain efficacy of crude wood vinegar for Pinus densiflora

Sabiha Salim, Syaidatul Shahomlail, Yong Seok Choi, Min Ji Kim, Gyu Hyeok Kim

Research output: Contribution to journalArticle

Abstract

In Korea, Pinus densiflora is one of the most important indigenous tree species in terms of making high-value wood products. Therefore, Korean sawmills exercise extreme caution to prevent fungal discoloration such as that caused by sapstains and molds on the timber. In this study, the effectiveness of using natural crude wood vinegar to inhibit sapstains and molds, especially on Pinus densiflora (Japanese red pine) was examined. Pinus densiflora wood samples were dipped in absolute and diluted wood vinegar at different concentrations (1:1, 2:1, and 3:1; deionized water to wood vinegar dilution ratio) for 3 minutes and immediately air-dried. In addition, volatile wood vinegar was also used in this study to imitate the condition of wood vinegar when exposed to open air. The degree of discoloration was examined and evaluated every 2, 4, 6, and 8 weeks according to the ASTM D4445-91 Standard Method for laboratory test. Crude wood vinegar inhibited sapstains more efficiently than it inhibited molds. Wood vinegar at a 1:1 concentration was found to be the most optimum treatment for inhibiting sapstains for at least 8 weeks.

Original languageEnglish
Pages (from-to)704-709
Number of pages6
JournalBioResources
Volume9
Issue number1
Publication statusPublished - 2014 Jan 23

Fingerprint

Wood
Coloring Agents
Molds
Discoloration
Sawmills
Wood products
Deionized water
Timber
Air
wood vinegar
evaluation
laboratory
air
Dilution
timber
dilution

Keywords

  • Discoloration
  • Inhibitors
  • Mold
  • Sapstain
  • Wood vinegar

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Environmental Engineering
  • Bioengineering

Cite this

Salim, S., Shahomlail, S., Choi, Y. S., Kim, M. J., & Kim, G. H. (2014). Laboratory evaluation of the anti-stain efficacy of crude wood vinegar for Pinus densiflora. BioResources, 9(1), 704-709.

Laboratory evaluation of the anti-stain efficacy of crude wood vinegar for Pinus densiflora. / Salim, Sabiha; Shahomlail, Syaidatul; Choi, Yong Seok; Kim, Min Ji; Kim, Gyu Hyeok.

In: BioResources, Vol. 9, No. 1, 23.01.2014, p. 704-709.

Research output: Contribution to journalArticle

Salim, S, Shahomlail, S, Choi, YS, Kim, MJ & Kim, GH 2014, 'Laboratory evaluation of the anti-stain efficacy of crude wood vinegar for Pinus densiflora', BioResources, vol. 9, no. 1, pp. 704-709.
Salim, Sabiha ; Shahomlail, Syaidatul ; Choi, Yong Seok ; Kim, Min Ji ; Kim, Gyu Hyeok. / Laboratory evaluation of the anti-stain efficacy of crude wood vinegar for Pinus densiflora. In: BioResources. 2014 ; Vol. 9, No. 1. pp. 704-709.
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