Phytochemicals of cranberries and cranberry products: Characterization, potential health effects, and processing stability

E. Pappas, K. M. Schaich

Research output: Contribution to journalArticlepeer-review

228 Scopus citations


Emerging evidence is elucidating how non-nutrient phytochemicals underlie the health promotion afforded by fruits and vegetables. This review focuses on Vaccinium macrocarpon, the American cranberry, compiling a comprehensive list of its known phytochemical components, and detailing their prevalence in cranberry fruit and its products. Flavonoids, especially colored anthocyanins, abundant flavonols, and unique proanthocyanidins, have attracted major research attention. Other notable active components include phenolic acids, benzoates, hydroxycinnamic acids, terpenes and organic acids. Health effects of cranberries, cranberry products, and isolated cranberry components in humans and animals, as well as in vitro, are debated. Evidence for protection from several bacterial pathogens, cancer, cardiovascular disease, and inflammation is compelling, while neuroprotection and anti-viral activity also have begun to draw new consideration. Emerging bioavailability data is considered and potential molecular mechanisms are evaluated, linking phytochemicals to health effects through their biochemical properties and reactions. Finally, the effects of processing and storage on cranberry phytochemicals is discussed, with a focus on identifying research gaps and novel means to preserve their natural, health-promoting components.

Original languageEnglish (US)
Pages (from-to)741-781
Number of pages41
JournalCritical Reviews in Food Science and Nutrition
Issue number9
StatePublished - Oct 2009

All Science Journal Classification (ASJC) codes

  • Food Science
  • Industrial and Manufacturing Engineering


  • Absorption
  • Anthocyanins
  • Cancer
  • Flavonols
  • Inflammation
  • Phenols
  • Proanthocyanidins
  • Urinary tract infections


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