Luteina – źródła w diecie i potencjalna rola prozdrowotna

© Borgis - Postępy Fitoterapii 2/2010, s. 97-100

*Edyta Kwiatkowska

Summary
Lutein belong to the xanthophyll family of carotenoids. It has two hydroxyl groups one on each side of the molecule. In the diet it is found in highest concentrations in dark green, leafy vegetables (spinach, kale, collard greens), corn, and egg yolks. Cooking of lutein containing foods may increase bioavailability by disrupting the cellular matrix and the carotenoid – protein complexes. Some observational studies have shown these xanthophylls may help reduce the risk of certain types of cancer, particularly those of the breast. Studies suggest a potential contribution of lutein to the prevention of heart disease and stroke. Epidemiologic studies indicating an inverse relationship between xanthophylls intake can play a protective role in the eye. The evidence for a role of lutein in disease prevention continues to evolve.

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