• Lorne A. Campbell
  • Grant H. Palmer


Pectic substances originate primarily in the cell walls and fibrous portions of fruit, vegetable, and other land plant tissues. They are complex colloidal carbohydrate derivatives containing as their major structural feature acid polysaccharides composed primarily of galaturonic acid units. Neutral sugars such as arabinose, galactose, rhamnose, and xylose have been identified as associated with the pectin molecule (1). Aspinall’s work indicates that the rhamnose may be a part of the main chain structure of the pectin molecule. The association of arabinose and galactose may be either a sidechain attachment or an incidental part of the main chain. By this it is meant that the entire sugar molecule is not involved in the chain structure.


Galacturonic Acid Digestible Energy Pectin Methylesterases Pectic Substance Citrus Pectin 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • Lorne A. Campbell
    • 1
  • Grant H. Palmer
    • 1
  1. 1.OntarioUSA

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