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http://dx.doi.org/10.5658/WOOD.2021.49.6.566

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)
Publication Information
Journal of the Korean Wood Science and Technology / v.49, no.6, 2021 , pp. 566-573 More about this Journal
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
bamboo; Phyllostachys bambusoides; heat-treatment; hot-air; color change;
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