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Related Experiment Videos

Antioxidants and anticarcinogens

I T Johnson1

  • 1Norwich Laboratory, Institute of Food Research, Colney, Norwich, UK.

European Journal of Cancer Prevention : the Official Journal of the European Cancer Prevention Organisation (ECP)
|August 11, 1998
PubMed
Summary
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Dietary fiber

Area of Science:

  • Oncology
  • Nutritional Science
  • Molecular Biology

Background:

  • The classical model of dietary fiber's anticarcinogenic effects relies on physical properties and fecal bulk.
  • Directly studying cancer pathogenesis in humans is challenging, limiting hypothesis testing.
  • Antioxidant vitamin interventions for cancer prevention have shown limited success.

Purpose of the Study:

  • To explore new hypotheses on the diet-cancer relationship, focusing on molecular mechanisms.
  • To investigate substances beyond non-starch polysaccharides in cereal fiber contributing to cancer prevention.
  • To highlight promising areas for future research in high-fiber cereals and cancer.

Main Methods:

  • Review of recent molecular mechanisms in carcinogenesis related to diet.

Related Experiment Videos

  • Evaluation of evidence for non-starch polysaccharides versus other cereal fiber components.
  • Analysis of the role of intraluminal phenolic compounds and phytic acid.

    • Main Results:

    • Evidence suggests non-polysaccharide components in cereal fiber may contribute to cancer prevention.
    • The role of oxygen free radicals in cancer pathogenesis remains largely hypothetical.
    • Antioxidant vitamin interventions have yielded largely unsuccessful results.

    Conclusions:

    • Substances in cereal cell walls beyond non-starch polysaccharides warrant further investigation for cancer prevention.
    • Intraluminal production of phenolic compounds and the effects of phytic acid are key areas for future research.
    • Understanding these components could refine our understanding of the diet-cancer link.