| Analysis on Chemical Composition of Guadua amplexifolia Planted in China |
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| 作者姓名： | XU Jinmei ZHAO Rongjun FEI Benhua Research Institute of Wood Industry Chinese Academy of Forestry Beijing P.R.China |
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| 作者单位： | XU Jinmei ZHAO Rongjun FEI Benhua Research Institute of Wood Industry，Chinese Academy of Forestry，Beijing 100091，P.R.China |
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| 基金项目： | The authors would like to thank Prof. BA0 Fucheng for his paper-amending. |
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| 摘 要： | The objective of this study is to determine the properties of G. amplexifolia. In this paper; the chemical composition, including holocellulose, acid-insoluble lignin, 1% NaOH solubility, benzene-ethanol extractives and ash content, was considered for the variability with respect to positions along bamboo culm height （bottom, middle and top）, parts along radial direction （inner part and outer part）and ages （1-year and 2- year）. The test results were also compared to those of moso that is commonly planted and used in China. This study indicated that both the holocellulosecontent and the lignin content in inner part were lower than ; in outer part, but for extractives and ash content, the reverse was true. Bamboo age also had effect on chemical composition; both the holocellulose content and the ash content in the culm of 1- year were higher than those of 2-year; while the lignin content and the extractive content m the culm of 1- year were higher than those of 2-year. High holocellulose content, low lignin contentand extractive content were advantages of G. amplexifolia.
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| 关 键 词： | 综纤维素 不溶解酸 木质素 草木灰 实心瓜多竹 |
Analysis on Chemical Composition of Guadua amplexifolia Planted in China |
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| XU Jinmei ZHAO Rongjun FEI Benhua Research Institute of Wood Industry,Chinese Academy of Forestry,Beijing ,P.R.China.Analysis on Chemical Composition of Guadua amplexifolia Planted in China[J].中国林业科技(英文版),2007,6(3):45-50. |
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| Authors: | XU Jinmei ZHAO Rongjun FEI Benhua |
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| Institution: | Research Institute of Wood Industry, Chinese Academv of Forestry, Beijing 100091, P.R.China |
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| Abstract: | The objective of this study is to determine the properties of G. amplexifolia. In this paper, the chemical composition, including holocellulose, acid-insoluble lignin, 1% NaOH solubility, benzene-ethanol extractives and ash content, was considered for the variability with respect to positions along bamboo culm height (bottom, middle and top), parts along radial direction (inner part and outer part) and ages (1-year and 2- year). The test results were also compared to those of moso that is commonly planted and used in China. This study indicated that both the holocellulosecontent and the lignin content in inner part were lower than in outer part, but for extractives and ash content, the reverse was true. Bamboo age also had effect on chemical composition; both the holocellulose content and the ash content in the culm of 1- year were higher than those of 2-year, while the lignin content and the extractive content in the culm of 1- year were higher than those of 2-year. High holocellulose content, low lignin contentand extractive content were advantages of G. amplexifolia. |
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| Keywords: | Guadua amplexifolia moso (Phyllostachys pubescens) holocellulose acid-insoluble lignin extractives ash content |
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