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European Food Research and Technology

, Volume 226, Issue 4, pp 817–824 | Cite as

A survey of ellagitannin content in raspberry and blackberry cultivars grown in Trentino (Italy)

  • Urska VrhovsekEmail author
  • Lara Giongo
  • Fulvio Mattivi
  • Roberto Viola
Original Paper

Abstract

This study describes the first application of a new procedure for acid hydrolysis of Rubus ellagitannins in methanol, which allows quantification of all the major reaction products (ellagic acid, methyl-sanguisorboate, methyl gallate and an unknown ellagic acid derivative) and estimation of the mean degree of polymerization (mDP) of Rubus ellagitannins. The ellagitannins of 21 raspberry and 15 blackberry cultivars produced in Trentino, Italy during 2005 were extracted and characterised. The total content of ellagitannins was shown to vary by a factor of 2 among raspberry cultivars and by a factor of 4 among blackberry cultivars.

Keywords

Ellagitannins Acid hydrolysis Rubus Raspberry Blackberry 

Notes

Acknowledgments

This research was funded through the ‘Fondo Unico’ of the Autonomous Province of Trento, Italy, as a part of InterBerry project. We are grateful to Arianna Palchetti for her collaboration in this research.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Urska Vrhovsek
    • 1
    Email author
  • Lara Giongo
    • 1
  • Fulvio Mattivi
    • 1
  • Roberto Viola
    • 1
  1. 1.Agrifood Quality DepartmentIASMA Research CenterSan Michele all’AdigeItaly

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