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The insoluble portion of starch that is contained in the outer shell of the starch granule. Amylopectin is composed of branched chain polymer of glucose units. It forms a paste with water and acts as an emulsifier. Amylopectin turns violet with iodine.


  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 767
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • C.V.Horie, Materials for Conservation, Butterworth-Heineman, London, 1997
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989

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