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.
Sources Checked for Data in Record
- 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