Polyphenols: chemistry, dietary sources, metabolism, and nutritional significance

Article Abstract:

Researchers are discovering the health benefits of polyphenols, the diverse products of secondary metabolism in plants. Diverse levels of polyphenols occur in fruits and vegetables, cereals, nuts, and beverages. There are numerous polyphenolic compounds, such as the well-known flavonoids. The antioxidant capabilities of food phenolics may play a role in preventing major human diseases, including allergy, cancer, and heart disease. It is not clear how much of the nutritional phenolic content the body can utilize or how to measure the average intake of phenols.

Physiological aspects, Tannins

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Optimization of nutrition: polyphenols and vascular protection

Article Abstract:

A study of the role played by polyphenols in human nutrition finds that their redox chemistry accounts for their observed antioxidant effect and thus for their prevention of atherosclerosis. Optimal nutrition should include a "recommended optimal intake" of polyphenols and plasma antioxidant capacity is suggested as a suitable index for such intake.

United States, Prevention, Antioxidants, Antioxidants (Nutrients), Atherosclerosis

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Role of medicinal plants, herbs, and spices in protecting human health

Article Abstract:

Herbs, medicinal plants, and spices have been shown to affect human health, yet this body of knowledge is relatively modest. Anthocyanins in tart cherries and flavonoids in tea can help understand how active compounds promote human health, but more research is needed.

Care and treatment, Chronic diseases, Spices, Medicinal plants, Herbs, Anthocyanin, Anthocyanins

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