Variation in protein composition among wheat (Triticum aestivum L.) cultivars to identify cultivars suitable as reference material for wheat gluten analysis

  • Lívia Hajas (First Author)
  • , Katharina A. Scherf (Co-Author)
  • , Kitti Török (Co-Author)
  • , Zsuzsanna Bugyi (Co-Author)
  • , Eszter Schall (Co-Author)
  • , Roland E. Poms (Co-Author)
  • , Peter Koehler (Co-Author)
  • , Sándor Tömösközi* (Last Author)
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    59 Scopus citations

    Abstract

    Gluten proteins of certain cereals (wheat, rye and barley) can trigger hypersensitivity reactions. In special dietary products for people intolerant to gluten, their amount must not exceed the regulatory threshold levels. The source of gluten can influence gluten quantitation due to variability in protein profile of grain cultivars and species. A proper reference material is crucial for accurate measurement of gluten and evaluating assay performance. It should be as representative of the commodity as possible. In this study, protein content and composition of a set of 23 common wheat cultivars grown around the world were determined. According to qualitative and quantitative selection criteria, cultivars that possessed a typical gluten composition were identified. Five cultivars were selected for subsequent experiments to confirm their suitability as a basis for reference material production.

    Original languageEnglish
    Pages (from-to)387-394
    Number of pages8
    JournalFood Chemistry
    Volume267
    DOIs
    StatePublished - 30 Nov 2018

    Keywords

    • ELISA
    • Gluten analysis
    • Protein composition
    • Reference material
    • Wheat

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