Chemoenzymatic Synthesis of Water-Soluble Sugar-Branched Poly (Vinyl Alcohol)

  • Yutaka Tokiwa
  • Masaru Kitagawa


It is important to develop biodegradable plastics by utilizing natural substances. Natural polysaccharides such as starch and cellulose are biomass existing abundantly on earth. Saccharide is a good source of organic raw material (Lichtenthaler, 1991). But many problems arise regarding thermolastic, moisture proof and compatibility properties when these polysaccharides are used as materials of plastics.


Enzymatic Synthesis Alkaline Protease Transesterification Reaction Neutral Protease Acyl Donor 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Yutaka Tokiwa
    • 1
  • Masaru Kitagawa
    • 2
  1. 1.National Institute of Bioscience and Human-Technology (NIBH)Ibaraki 305Japan
  2. 2.NIBH branch Tsukuba-shiResearch Institute of Innovative Technology for the EarthIbaraki 305Japan

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