Eggspectation : organic egg verification tool

Research output: Contribution to journalArticleProfessional


In 2009 RIKILT conducted a study on about 2,000 eggs to evaluate three different analytical verification methods: carotenoid profiling, fatty acid profiling and isotope ratio mass spectrometry. The eggs were collected from about 50 Dutch farms. The selection was based on the farms’ location and size, and production methods: organic, free range and barn raised. Carotenoid profiling showed a 100% correct prediction of the identity (organic vs. conventional) for the organic eggs in this ‘training set’.
Original languageEnglish
Pages (from-to)3-4
JournalThe Organic Standard
Issue number118
Publication statusPublished - 2011


  • food analysis
  • organic foods
  • testing
  • analytical methods
  • eggs
  • certification

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