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Plant Polyphenols pp 1013-1019 | Cite as

The use of Tannin from Chestnut (Castanea Vesca)

  • P. Krisper
  • V. Tišler
  • V. Skubic
  • I. Rupnik
  • S. Kobal
Chapter
Part of the Basic Life Sciences book series (BLSC, volume 59)

Abstract

After mimosa and quebracho extracts, chestnut extract is the third most important vegetable tannin used for leather production. It is produced only in Europe on the northern side of the Mediterranean sea. The extract is prepared by hot water extraction of the bark and timber, followed by spray-drying of the solution. Analysis shows that there are insignificant variations in extract quality between batches, so the extract can be used with modern automated leather production systems. The extract contains approximately 75 percent active tanning substances. The primary component is castalagin, along with smaller amounts of vescalagin, castalin, and vescalin. A castalagin-based pharmaceutical product is currently in use for prevention and treatment of diarrhea in pigs and cattle that is caused by changes in diet. The beneficial effect is due to prevention of water losses through mucous membranes. The castalagin may also form chelates with iron, which influences the reabsorption of the metal in the animal digestive tract.

Keywords

Ellagic Acid Tannin Content Hydrolyzable Tannin Leather Tanning Tannin Extract 
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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References

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • P. Krisper
    • 1
  • V. Tišler
    • 2
  • V. Skubic
    • 3
  • I. Rupnik
    • 1
  • S. Kobal
    • 4
  1. 1.Jugotanin Chemical IndustrySevnicaSlovenia
  2. 2.Department of Wood Science and TechnologyUniversity of LjubljanaLjubljanaSlovenia
  3. 3.Department of Veterinary ScienceUniversity of LjubljanaLjubljanaSlovenia
  4. 4.Veterinary InstituteUniversity of LjubljanaLjubljanaSlovenia

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