Quantitative determination of the polyphenolic content of pomegranate peel

  • C. Ben Nasr
  • N. Ayed
  • M. Metche
Original Paper

Abstract

The quantitative determination of total phenols, ellagic tannins and gallic and ellagic acids in the peel of the Tunisian pomegranate variety Chelfi, has been carried out. The ellagic tannin content is prominently less than the amount of total phenols, which led us to look for the presence of the condensed tannins. The determination of the content of catechic tannins in eight Tunisian varieties of the pomegranate was carried out using weekly samples over a period of 2 months.

Key words

Pomegranate (Punica granatumProanthocyanidins Gallic acid Ellagic acid HPLC Total phenols Ellagic tannins 

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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • C. Ben Nasr
    • 1
  • N. Ayed
    • 2
  • M. Metche
    • 3
  1. 1.Faculté des sciences de Bizerte, Laboratoire des taninsDépartement de chimieZarzounaTunisia
  2. 2.Laboratoire des colorantsInstitut supérieur de l'éducation et de la formation continuele BardoTunisia
  3. 3.Laboratoire de biochimie appliquéeE.N.S.A.I.A. 2Vandoeuvre-Lès Nancy CédexFrance

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