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Related Experiment Videos

Phytochemicals: Health Protective Effects.

Winston Craig1, Leslie Beck

  • 1RD, Professor of Nutrition, Andrews University, Berrien Springs, MI.

Canadian Journal of Dietetic Practice and Research : a Publication of Dietitians of Canada = Revue Canadienne De La Pratique Et De La Recherche En Dietetique : Une Publication Des Dietetistes Du Canada
|September 12, 2001
PubMed
Summary
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A diet rich in plant foods offers health benefits through phytochemicals and antioxidants, potentially protecting against cancer and cardiovascular disease. Increasing vegetable and fruit intake is recommended for better health outcomes.

Area of Science:

  • Nutrition Science
  • Phytochemistry
  • Preventive Medicine

Background:

  • Plant-based diets are rich in phytochemicals, which are non-nutritive plant compounds with health-protective properties.
  • These compounds, including phenolic compounds, terpenoids, and antioxidants, are linked to reduced risk of cardiovascular disease and cancer.

Purpose of the Study:

  • To highlight the health benefits of consuming a diet rich in plant foods.
  • To emphasize the role of phytochemicals and antioxidants in disease prevention.
  • To recommend increased intake of fruits and vegetables.

Main Methods:

  • Review of scientific literature on phytochemicals and their health effects.
  • Identification of plant foods with high health-protective and anticancer activity.

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  • Discussion of the limitations of supplement-based protective effects.

    • Main Results:

    • Plant foods like garlic, soybeans, cabbage, ginger, licorice root, and umbelliferous vegetables show high anticancer activity.
    • Citrus fruits provide vitamin C, folic acid, potassium, soluble fiber, and various phytochemicals.
    • Clinical trials have not substantiated the protective effects of supplements compared to whole foods.

    Conclusions:

    • A diet abundant in diverse plant foods is crucial for obtaining beneficial phytochemicals and antioxidants.
    • Many Canadians may not consume adequate amounts of fruits and vegetables, suggesting a need for increased intake.
    • Whole plant foods are superior to supplements for delivering health-protective benefits.