Coffees rich in chlorogenic acid or N-methylpyridinium induce chemopreventive phase II-enzymes via the Nrf2/ARE pathway in vitro and in vivo

  • Ute Boettler
  • , Nadine Volz
  • , Gudrun Pahlke
  • , Nicole Teller
  • , Christine Kotyczka
  • , Veronika Somoza
  • , Herbert Stiebitz
  • , Gerhard Bytof
  • , Ingo Lantz
  • , Roman Lang
  • , Thomas Hofmann
  • , Doris Marko*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

Recently, the coffee constituents 5-O-caffeoylquinic acid (CGA) and N-methylpyridinium (NMP) were identified as inducers of the Nrf2/antioxidant-response element (ARE) detoxifying pathway under cell-culture condition. To study the impact of CGA and NMP on the Nrf2-activating properties of a complex coffee beverage, two different model coffees were generated by variation of the roasting conditions: a low-roast coffee rich in CGA and a heavy-roast low in CGA but containing high levels of NMP. Activation of the Nrf2/antioxidant-response element pathway was monitored in vitro and in vivo.

Original languageEnglish
Pages (from-to)798-802
Number of pages5
JournalMolecular Nutrition and Food Research
Volume55
Issue number5
DOIs
StatePublished - May 2011

Keywords

  • Antioxidative
  • Chemoprevention
  • Coffee
  • Gene transcription
  • Nrf2 pathway

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