黑格心材乙醇抽提物对木材颜色与耐腐性能的影响

秦理哲; 于洋; 张玉静; 胡拉; 唐盈盈; 杨章旗

doi:10.12326/j.2096-9694.2024132

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黑格心材乙醇抽提物对木材颜色与耐腐性能的影响
Effect of Ethanol Extract from Albizia odoratissima Heartwood on Wood Color and Decay Resistance
1.广西民族大学化学化工学院，林产化学与工程国家民委重点实验室，广西林产化学与工程重点实验室，林木生物质低碳高质利用广西高校工程研究中心，广西南宁 530006
2.广西壮族自治区林业科学研究院，广西林业实验室，广西优良用材林资源培育重点实验室，广西南宁 530002
2025年39卷第2期页码：30-37
DOI： 10.12326/j.2096-9694.2024132
稿件说明：

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秦理哲,于洋,张玉静等.黑格心材乙醇抽提物对木材颜色与耐腐性能的影响[J].木材科学与技术,2025,39(02):30-37. DOI： 10.12326/j.2096-9694.2024132.

QIN Lizhe,YU Yang,ZHANG Yujing,et al.Effect of Ethanol Extract from Albizia odoratissima Heartwood on Wood Color and Decay Resistance[J].Chinese Journal of Wood Science and Technology,2025,39(02):30-37. DOI： 10.12326/j.2096-9694.2024132.

摘要

植物源防腐剂的开发是木材保护技术绿色化发展的有效途径之一。研究结合单因素和响应面试验法优

化黑格（

Albizia odoratissima

）心材中多酚类物质的提取工艺，并评价抽提物浸渍处理对木材颜色及耐腐性能的影响。试验优化提取工艺参数为：乙醇体积分数75%，液料比30∶1 mL/g，提取时间12.3 h。在该工艺参数下进行验证试验，得到总黄酮提取量为17.29 mg/g，总多酚提取量为114.83 mg/g。马尾松（

Pinus massoniana

）边材经浓度为20 mg/mL和80 mg/mL抽提物溶液浸渍（真空度－0.1 MPa处理15 min，0.8 MPa加压处理30 min）后，载药量分别为12.50 kg/m

和48.32 kg/m

，明度值

、黄蓝轴色品指数

降低，红绿轴色品指数

升高，与素样的色差值（△

）分别为34.51和43.57，与黑格心材的色差值△

分别降至5.24和12.24。经采绒革盖菌和绵腐卧孔菌侵蚀后，20 mg/mL抽提物溶液处理材的平均质量损失率较素样降低了40.13%和42.01%，80 mg/mL抽提物溶液处理材的质量损失率较素样降低了65.70%和56.69%，表明黑格心材抽提物能显著提升马尾松边材的耐腐性能，适用于开发植物源木材防腐剂。

Abstract

The development of plant-based preservatives represents an efficacious strategy for advancing the sustainable wood protection technology. In this study

the extraction process of phenolics from

Albizia odoratissima

heartwood was optimized through a combination of one-way methodology and response surface methodology. The effects of extractive impregnation treatments on wood color and decay resistance were subsequently evaluated. The results demonstrated that the optimal extraction process parameters were an ethanol volume fraction of 75%

a liquid-solid ratio of 30∶1 mL/g

and an extraction time of 12.3 h. Under these conditions

the total flavonoids extraction yield was 17.29 mg/g

the total polyphenols extraction yield was 114.83 mg/g. After being treated with extract solutions with concentrations of 20 mg/mL and 80 mg/mL (following a 15-minute treatment period under vacuum conditions of －0.1 MPa

the specimen was pressurized at 0.8 MPa for a duration of 30 minutes)

the extract retention in

Pinus massoniana

sapwood was 12.50 kg/m

and 48.32 kg/m

respectively. The color difference (△

) between untreated and treated wood (with solution concentration of 20 mg/mL and 80 mg/mL) reached 34.51 and 43.57

respectively

while the △

between

Albizia odoratissima

heartwood and the treated wood decreased from 31.54 to 5.24 and 12.24

respectively. The treatment resulted in a decrease in lightness (

) and blue-yellow axis (

) of wood and an increase in green-red axis (

) of that. After being rotted by

Coriolus versicolor

and

Poria placenta

the mass loss rate of the wood treated with a 20 mg/mL extract solution decreased by 40.13% and 42.01%

respectively

and that of the wood treated with an 80 mg/mL extract solution decreased by 65.70% and 56.69%

respectively

compared to that of the untreated sample. It is indicated that the extracts significantly improved decay resistance of the

Pinus massoniana

sapwood. The

Albizia odoratissima

heartwood extract proved to be a suitable raw material for the development of plant-based wood preservatives.

关键词

Keywords

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