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Reactivity of cellulose reducing end in pyrolysis as studied by methyl glucoside-impregnation

Carbohydrate Research, ISSN: 0008-6215, Vol: 420, Page: 46-50
2016
  • 8
    Citations
  • 0
    Usage
  • 23
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    8
    • Citation Indexes
      8
  • Captures
    23

Article Description

For better understanding of the roles of cellulose reducing ends during thermal degradation of cellulose and wood, cellulose samples impregnated with methyl-β- d -glucopyranoside (GlcβOMe), a simple non-reducing sugar model, were pyrolyzed under N 2 at relatively low temperatures of 200–280 °C. By the impregnation, cellulose was rather stabilized against discoloration and weight-loss through converting the reducing ends into the glycosides with GlcβOMe. Alternatively, polymerization and discoloration of GlcβOMe were accelerated in the presence of cellulose. A mechanism via reducing sugars as reactive intermediates formed through hydrolysis is proposed to explain these phenomena. These information would be useful to understand the interactions between cellulose and hemicellulose in wood cell wall as well as the role of the reducing ends in cellulose thermal degradation.

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