| 热处理温度对酸枣木尺寸稳定性及抽提物的影响 |
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| 引用本文： | 李金朋,钱京,何正斌,伊松林,赵紫剑. 热处理温度对酸枣木尺寸稳定性及抽提物的影响[J]. 东北林业大学学报, 2018, 0(4): 43-48 |
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| 作者姓名： | 李金朋 钱京 何正斌 伊松林 赵紫剑 |
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| 作者单位： | 北京林业大学,北京,100083 |
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| 摘 要： | 以温度分别为160、180、200℃,时间为2 h的热处理条件对酸枣木进行热处理。测定其湿胀率及质量损失率,使用GC-MS(气相质谱-色谱联用仪)对实验组、对照组与虫蛀组酸枣木苯-醇抽提物进行分析。结果表明:随着热处理温度的提高,酸枣木由全干至气干的湿胀率呈下降趋势,抗胀缩率呈上升趋势,尺寸稳定性有所提高;酸枣木抽提物质量分数先降低后升高,抽提物成分有较大改变;酸枣木综纤维素的相对质量分数呈下降趋势,半纤维素的相对质量分数呈下降趋势,木质素的相对质量分数呈上升趋势。
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| 关 键 词： | 热处理 酸枣木 有机抽提物 尺寸稳定性 化学性质 Heat treatment Spondias spp. Extract Dimensional stability Chemical properties |
Effect of Heat Trea tment Te mperature on Dimensional Stability and Extra ction of Spon dias spp |
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| Li Jinpeng,Qian Jing,He Zhengbin,Yi Songlin,Zhao Zijian. Effect of Heat Trea tment Te mperature on Dimensional Stability and Extra ction of Spon dias spp[J]. Journal of Northeast Forestry University, 2018, 0(4): 43-48 |
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| Authors: | Li Jinpeng Qian Jing He Zhengbin Yi Songlin Zhao Zijian |
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| Abstract: | The Spondias spp.was heat-treated at 160℃,180℃ and 200℃ for 2 h, respectively.The hygroscopic expansion rate and weight loss rate were measured, and then the benzene-alcohol extractive was analyzed by GC-MS.With the in-crease of heat treatment temperature,the wetting rate of wood showed a decreasing trend,the anti-shrinkage rate and the dimensional stability were increased.The extract content was decreased first,then increased,and the extract composition had a greater change.The relative content of wood comprehensive cellulose was decreased,the relative content of hemicel-lulose was decreased,and the relative content of lignin was increased. |
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