Lycopenoids: Are lycopene metabolites bioactive?

Brian L. Lindshield, Kirstie Canene-Adams, John W. Erdman

Research output: Contribution to journalArticlepeer-review

Abstract

In vitro lycopene is the most potent antioxidant among carotenoids. While antioxidant function may be relevant to health, we hypothesize that metabolites of lycopene may be bioactive and responsible for the beneficial effects of tomato product consumption. We term these metabolites "lycopenoids," which we believe may be produced from carotenoid monooxygenase (CMO) II, paralleling the production of retinoids from β-carotene by CMO I. We present evidence suggesting that tomato carotenoid metabolites may be responsible for the reduced risk of prostate cancer seen in men consuming high levels of tomato products. Finally, we identify gaps in knowledge in this evolving area of carotenoid research.

Original languageEnglish (US)
Pages (from-to)136-140
Number of pages5
JournalArchives of Biochemistry and Biophysics
Volume458
Issue number2
DOIs
StatePublished - Feb 15 2007

Keywords

  • Carotenoid monooxygenase I
  • Carotenoid monooxygenase II
  • Carotenoids
  • Lycopene
  • Lycopenoids
  • Phytoene
  • Phytofluene
  • Prostate cancer
  • Tomato
  • β-Carotene

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology

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