湖北农业科学 ›› 2022, Vol. 61 ›› Issue (8): 125-128.doi: 10.14088/j.cnki.issn0439-8114.2022.08.025

• 信息工程 • 上一篇    下一篇

耐老化处理对毛竹竹材颜色变化的影响

康成芳, 刘明德, 韦鹏练   

  1. 广西大学林学院,南宁 530004
  • 收稿日期:2021-03-19 出版日期:2022-04-25 发布日期:2022-05-12
  • 通讯作者: 韦鹏练,男,讲师,研究方向为木材加工与利用,(电子信箱)ztzxwpl@163.com。
  • 作者简介:康成芳(1996-),女,四川宜宾人,在读硕士研究生,研究方向为木材加工与利用,(电话)19908145110(电子信箱)1693939231@qq.com。

Discoloration of aging-treated bamboo material

KANG Cheng-fang, LIU Ming-de, WEI Peng-lian   

  1. College of Forestry,Guangxi University,Nanning 530004,China
  • Received:2021-03-19 Online:2022-04-25 Published:2022-05-12

摘要: 采用国际照明委员会颜色系统CIE 1976 L* a* b*标准色度系统,研究耐老化处理不同竹龄、不同竹秆部位毛竹(Phyllostachys heterocycla var. pubescens)竹材对其材色的影响。结果表明,在耐老化处理过程中,竹材的颜色发生显著变化,从深红褐色变为浅黄色,颜色亮度由深至浅;随着处理时间的增加,L* a* b*都主要呈现先增加后平缓的趋势,处理8 h后出现急剧增加,个别出现下降趋势,最后趋于平缓;不同竹龄竹材之间对耐老化处理响应出现明显差异,其中4年生毛竹的基部随耐老化处理的总体色差(ΔE*)最大达25.13,而其中部和稍部随耐老化处理总体色差(ΔE*)达到最小,分别为17.82和19.01。在立竹状态下,不同竹龄毛竹材之间黄蓝度和红绿度的主要分布范围差异不大,而颜色亮度差异较大,特别是竹材的中部和稍部;随着耐老化处理时间的增加,不同竹龄之间毛竹的材色开始出现明显差异。

关键词: 毛竹(Phyllostachys heterocycla var. pubescens), 耐老化, 明度, 红绿轴色度指数, 黄蓝轴色度指数, 色差

Abstract: In order to study the response of bamboo color to aging treatment and provide some theoretical basis for development and utilization of bamboo. The color change of the treated bamboo slices was quantitatively tested, and CIE 1976 L* a* b* standard chroma system was used for the analysis with respect to the effect of the color of tested bamboo with different ages and stems. The results showed that the color of bamboo changed significantly from dark reddish brown to light yellow, and the brightness changed from dark to light. With the increase of treatment time, L* a* b* mainly showed a trend of the first increase and then stable, which showed a sharp increase after 8 h treatment, and a few showed a downward trend. There were significant differences (ΔE*) among bamboo ages in response to aging treatment, among the base of 4a bamboo reached the maximum 25.13 with aging treatment, while the middle part and lower part reached the minimum 17.82 and 19.01 with aging treatment. Under the condition of column, the main distribution range of yellowish blue and reddish green of different bamboo ages was not different, but the color brightness was different, especially in the middle and slightly part of bamboo. With the increase of aging resistance treatment time, bamboo color of different ages began to show obvious differences.

Key words: bmaboo(Phyllostachys heterocycla var. pubescens), aging treatment, lightness, red hue, yellow hue, aberration

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