Occurrence of mycotoxin patulin and polyphenol profile of Nordic apple juices in relation to apple cultivation system and pre-processing storage temperature

Authors

  • Lagle Heinmaa Estonian University of Life Sciences, Estonia
  • Priit Põldma Estonian University of Life Sciences, Estonia
  • Seyed Mahyar Mirmajlessi Ghent University, Belgium
  • Hedi Kaldmäe Estonian University of Life Sciences, Estonia
  • Eivind Vangdal NIBIO, Norway
  • Ulla Kidmose Aarhus University, Denmark
  • Marianne Bertelsen Aarhus University, Denmark
  • Roberto Lo Scalzo Research Center of Agro-Industrial and Processing Technologies, Italy
  • Marta Fibiani Research Center of Agro-Industrial and Processing Technologies, Italy
  • Ulvi Moor Estonian University of Life Sciences, Estonia

DOI:

https://doi.org/10.23986/afsci.77257

Keywords:

organic foods, food safety, Penicillium expansum, chlorogenic acid, catechin, epicatechin

Abstract

The aims of this study were to find out if organic apple juice (AJ) contained higher contents of polyphenols or patulin compared to conventional AJ, and if higher storage temperature before processing increases patulin content in juice. AJ was pressed from Estonian, Danish and Norwegian apples. Additionally, three cultivars from Estonian organic and conventional orchards were stored at 3±2 °C and 9±2 °C before processing. Patulin, polyphenol content and antioxidant capacity were determined in pasteurized juices. In 2015, 33% of conventional (n=6) and 46% of organic (n=11) juices contained patulin; two of the organic juices above the legal limit (191 and 64µg l-1). In 2016, none of the AJs contained patulin. Patulin occurrence was more affected by weather conditions two weeks before harvest than by cultivation system and apple storage temperature. Polyphenol content was higher in organic than in conventional juices and was reduced at higher apple storage temperature.

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Published

2019-09-27

Issue

Vol. 28 No. 3 (2019)

Section

Articles

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Copyright (c) 2019 Agricultural and Food Science

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How to Cite

Heinmaa, L., Põldma, P., Mirmajlessi, S. M., Kaldmäe, H., Vangdal, E., Kidmose, U., Bertelsen, M., Lo Scalzo, R., Fibiani, M., & Moor, U. (2019). Occurrence of mycotoxin patulin and polyphenol profile of Nordic apple juices in relation to apple cultivation system and pre-processing storage temperature . Agricultural and Food Science, 28(3), 126–136. https://doi.org/10.23986/afsci.77257
Received 2018-12-13
Accepted 2019-06-26
Published 2019-09-27