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

75 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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