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Volume 17 Issue 5
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Article Navigation >  Forest Research  > 2004 >  17(5): 570-575

Citation:
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Study on Chemical Compositions of Larix kaempferi for Paper-making

  • 1.

    Research Institute of Forestry, CAF, Beijing100091, China

  • 2.

    Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing100091, China

  • 3.

    Tianjin University of Science and Technology, Tianjin300222, China

  • 4.

    Dagujia Forest Farm, Liaoning Province, Qingyuan113305, Liaoning, China

  • 5.

    Maojingba Forest Farm Hebei Province, Longhua068154, Hebei, China

  • Received Date: 2003-09-09
  • The chemical compositions and saccharide of Larix kaempferi in different tree age and different vertical location within a stem were investigated. In a result,the chemical compositions of Larix kaempferi in different tree age had certain difference. With the growing of Larix kaempferi tree,the total carbohydrate decreases,water extraction and 1%NaOH extraction increase,glucose and xylose decrease,galactose increases. Taking chemical compositions into account,12-years and 15-years Larix kaempferi had an advantage over those aged more than 20 years in papermaking.As compared with L.gmelinii,its water extraction,1%NaOH extraction and galactose were less,however,glucose was more.So Larix kaempferi was better than L.gmelinii in papermaking.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on Chemical Compositions of Larix kaempferi for Paper-making

  • 1. Research Institute of Forestry, CAF, Beijing100091, China
  • 2.  Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing100091, China
  • 3. Tianjin University of Science and Technology, Tianjin300222, China
  • 4. Dagujia Forest Farm, Liaoning Province, Qingyuan113305, Liaoning, China
  • 5. Maojingba Forest Farm Hebei Province, Longhua068154, Hebei, China
  • Received Date: 2003-09-09

Abstract: The chemical compositions and saccharide of Larix kaempferi in different tree age and different vertical location within a stem were investigated. In a result,the chemical compositions of Larix kaempferi in different tree age had certain difference. With the growing of Larix kaempferi tree,the total carbohydrate decreases,water extraction and 1%NaOH extraction increase,glucose and xylose decrease,galactose increases. Taking chemical compositions into account,12-years and 15-years Larix kaempferi had an advantage over those aged more than 20 years in papermaking.As compared with L.gmelinii,its water extraction,1%NaOH extraction and galactose were less,however,glucose was more.So Larix kaempferi was better than L.gmelinii in papermaking.

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