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European Food Research and Technology

, Volume 243, Issue 9, pp 1609–1618 | Cite as

Impact of post-harvest degradation of wheat gluten proteins by Fusarium culmorum on the resulting bread quality

  • Marcus Schmidt
  • Emanuele Zannini
  • Elke K. ArendtEmail author
Original Paper

Abstract

This study was conducted to investigate the impact of wheat gluten protein degradation during storage in a dough and bread system due to different levels of fungal contamination with F. culmorum. Therefore, artificially infected grains were stored in a model system and analysed for their gluten content and quality. This revealed a substantial loss in wet gluten content and a weakening of the gluten network in the infected samples during storage. Subsequently, the samples were used to bake wholegrain breads and the obtained dough and breads were analysed. Reduced quality as a consequence of storage was found for all samples, but in the infected samples to a greater extent than in the healthy grains. The breads presented a reduced quality, mainly due to their high bake loss, deformed loaf shape and open crumb structure. The reason for these results was mainly found to be due to the increased enzymatic activities originating from the fungal metabolism. Furthermore, the deterioration of the bread quality after storage was independent of the level of initial infection. Consequently, this study demonstrates the importance of optimal storage conditions and the development of efficient methods to suppress fungal proliferation during storage, in order to reduce economic losses and ensure a consistent high quality of the resulting products.

Keywords

Fusarium culmorum Fungal infection Wheat storage Gluten Dough and bread quality 

Notes

Acknowledgements

Financial support for this research was awarded by the Irish Government under the National Development Plan 2007–2013 through the research programme FIRM/RSF/CoFoRD. This research was also partly funded by the Irish Department of Agriculture, Food and the Marine.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Compliance with ethics requirements

This article does not contain any studies with human or animal subjects.

Supplementary material

217_2017_2869_MOESM1_ESM.docx (15 kb)
Supplementary material 1 (DOCX 15 KB)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Marcus Schmidt
    • 1
  • Emanuele Zannini
    • 1
  • Elke K. Arendt
    • 1
    Email author
  1. 1.School of Food and Nutritional SciencesUniversity College CorkCorkIreland

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