Impact of Short-Term Intake of Red Wine and Grape Polyphenol Extract on the Human Metabolome

D.M. Jacobs, J.C. Fuhrmann, F.A. van Dorsten, D. Rein, S. Peters, E.J.J. van Velzen, B. Hollebrands, R. Draijer, J.P.M. van Duynhoven, U. Garczarek

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85 Citations (Scopus)


Red wine and grape polyphenols are considered to promote cardiovascular health and are involved in multiple biological functions. Their overall impact on the human metabolome is not known. Therefore, exogenous and endogenous metabolic effects were determined in fasting plasma and 24 h urine from healthy male adults consuming a mix of red wine and grape juice extracts (WGM) for 4 days in a placebo-controlled, crossover study. Syringic acid, 3-hydroxyhippuric acid, pyrogallol, 3-hydroxyphenylacetic acid, and 3-hydroxyphenylpropionic acid were confirmed as the strongest urinary markers of WGM intake. Overall, WGM had a mild impact on the endogenous metabolism. Most noticeable were changes in several amino acids deriving from tyrosine and tryptophan. Reductions in the microbial metabolites p-cresol sulfate and 3-indoxylsulfuric acid and increases in indole-3-lactic acid and nicotinic acid were observed in urine. In plasma, tyrosine was reduced. The results suggest that short-term intake of WGM altered microbial protein fermentation and/or amino acid metabolism.
Original languageEnglish
Pages (from-to)3078-3085
JournalJournal of Agricultural and Food Chemistry
Issue number12
Publication statusPublished - 2012


  • black tea
  • phenolic-compounds
  • health
  • gut
  • microbiota
  • biomarkers
  • urine
  • acid
  • microflora
  • modulation


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