Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Effects of Hot-Air Heat Treatment on the Surface Color of Phyllostachys bambusoides Bamboo

  • LEE, Hyoung-Woo (College of Agriculture and Life Science, Chonnam National University) ;
  • LEE, Eun-Ju (College of Agriculture and Life Science, Chonnam National University)
  • Received : 2021.08.24
  • Accepted : 2021.10.16
  • Published : 2021.11.25
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Abstract

We investigated color changes on the outer surfaces of Phyllostachys bambusoides bam-boo by heat treatment under three different temperatures (180℃, 200℃, and 220℃) for three different durations (60 min, 90 min, and 120 min). A method of predicting the bam-boo surface color change after heat treatment was developed to provide valuable information and increase the added value of domestic bamboo products. The three average color parameters L*, a*, and b* decreased, and the overall color changes increased as the severity factor increased. The values of L* × a* × b* were highly related to the severity factor, and the optimal duration time for the desired bamboo surface color with a certain heat-treatment temperature could be estimated.

Keywords

Acknowledgement

This study was carried out with the support of 'R&D Program for Forest Science Technology (Project No. 2020262A00-2022-AC02)' provided by Korea Forest Service (Korea Forestry Promotion Institute).

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