European Food Research and Technology

, Volume 212, Issue 1, pp 75–80

Ellagic acid content in berries: Influence of domestic processing and storage

  • S. H. Häkkinen
  • S. O. Kärenlampi
  • H. M. Mykkänen
  • I. M. Heinonen
  • A. R. Törrönen
ORIGINAL PAPER

DOI: 10.1007/s002170000184

Cite this article as:
Häkkinen, S., Kärenlampi, S., Mykkänen, H. et al. Eur Food Res Technol (2000) 212: 75. doi:10.1007/s002170000184

Abstract

The content of ellagic acid was determined from the berries of the family Rosaceae (strawberry, red raspberry, cloudberry, arctic bramble). Extraction and hydrolysis procedures were optimized and analysis was done with an HPLC method and UV detection. The influence of processing on ellagic acid content was studied in strawberry jam. Strawberries, red raspberries, and strawberry jam were analyzed fresh and after 3, 6, and 9 months of storage in a domestic freezer or refrigerator. Ellagic acid contents after 3 months of storage at −20 °C varied between 31.5 (strawberry ‘Senga Sengana’) and 68.6 mg/100 g f.w. (arctic bramble). Ellagic acid content in strawberry jam (23.8 mg/100 g f.w.) was 80% of that in unprocessed strawberries. The content of ellagic acid in strawberries and red raspberries was reduced by 40% and 30%, respectively, during the 9 months of storage at −20°C. The unprocessed berries studied, together with nuts, make the main contribution to the total dietary intake of ellagic acid in Finland.

Key words Ellagic acid Berry Fruit Processing Storage HPLC 

Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • S. H. Häkkinen
    • 1
  • S. O. Kärenlampi
    • 2
  • H. M. Mykkänen
    • 3
  • I. M. Heinonen
    • 4
  • A. R. Törrönen
    • 1
  1. 1.Department of Physiology and Department of Clinical Nutrition, University of Kuopio, P.O. Box 1627, 70211 Kuopio, Finland e-mail: riitta.torronen@uku.fi Tel.: +358 17 163109 Fax: +358 17 163112FI
  2. 2.Department of Biochemistry, University of Kuopio, P.O. Box 1627, 70211 Kuopio, FinlandFI
  3. 3.Department of Clinical Nutrition, University of Kuopio,P.O. Box 1627, 70211 Kuopio, FinlandFI
  4. 4.Department of Applied Chemistry and Microbiology, P.O. Box 27, 00014, University of Helsinki, FinlandFI

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