Simultaneous determination of water soluble vitamins in fortified food products

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6 Citations (Scopus)


Vitamins form a heterogeneous chemical group having different stability. In foodstuffs some of them might be bound to matrix components. In the case of vitamin supplemented food products, since the vitamins are not strongly embedded in the matrix a general extraction method could be fit for purpose. The aim of this study was the simultaneous determination of the most common water-soluble vitamins, i.e. ascorbic acid (C), riboflavin (B 2 ), niacin (B 3 ), pyridoxine (B 6 ), folic acid (B 9 ) in enriched food products. Sample preparation based on the European Standard (CEN, 2003) was optimised for further LC-MS compatible chromatography. The separation of the vitamins was achieved by reversed-phase liquid chromatography. Detection was carried out with a photodiode array detector at four different wavelengths. The chromatographic method and the sample preparation were successfully applied for vitamin-enriched cereal, instant cacao powder and fruit juice samples.

Original languageEnglish
Pages (from-to)48-58
Number of pages11
JournalActa Alimentaria
Issue number1
Publication statusPublished - Mar 1 2010


  • Cacao
  • Cereal
  • Fruit juice
  • Liquid chromatography
  • Supplemented foodstuff
  • Water-soluble vitamins

ASJC Scopus subject areas

  • Food Science

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