Isolation of Carotenoids with 3,5,6-Trihydroxy-5,6-dihydro-β-end Groups from Red Paprika (Capsicum annuum)

József Deli, Péter Molnár, Zoltán Matus, Gyula Tóth, Andrea Steck, Hanspeter Pfander

Research output: Article

27 Citations (Scopus)

Abstract

6-Epikarpoxanthin ((all-E,3S,5R,6S,3′R)-5,6-dihydro-β,β-carotene-3,5,6,3′- tetrol, 5), 5,6-diepikarpoxanthin ((all-E,3S,5S,6S,3′A)-5,6-dihydro-β,β-carotene-3,5,6,3′- tetrol, 13), 5,6-diepilatoxanthin ((all-E,3S,5S,6S,3′S,5′R, 6′S)-5′,6′-epoxy-5,6,5′,6′-tetrahydro-β, β-carotene-3,5,6,3′-tetrol, 14), and 5,6-diepicapsokarpoxanthin ((all-E,3S,5S,6S,3′S,5′R)-5,6-dihydro-3,5,6,3′-tetrahydroxy- β,κ-caroten-6′-one, 15) were isolated from red spice paprika (Capsicum annuum var. longum) and characterized by their UV/VIS, CD, 1H- and 13C-NMR, and mass spectra. Our investigations demonstrate that the configuration of the 3,5,6-trihydroxy-5,6-dihydro-β-end group may differ depending on the biological source.

Original languageEnglish
Pages (from-to)1233-1241
Number of pages9
JournalHelvetica Chimica Acta
Volume81
Issue number7
DOIs
Publication statusPublished - jan. 1 1998

ASJC Scopus subject areas

  • Catalysis
  • Biochemistry
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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