Lycopene-rich products and dietary photoprotection.

Abstract

Plant constituents such as carotenoids and flavonoids are involved in the light-protecting system in plants and contribute to the prevention of UV damage in humans. As micronutrients they are ingested with the diet and are distributed into light-exposed tissues where they provide systemic photoprotection. beta-Carotene is an endogenous photoprotector, and its efficacy to prevent UV-induced erythema formation has been demonstrated in intervention studies. Lycopene is the major carotenoid of the tomato and is a very efficient singlet oxygen quencher in the group of carotenoids. Following ingestion of lycopene or tomato-derived products rich in lycopene, photoprotective effects have been demonstrated. After 10-12 weeks of intervention a decrease in the sensitivity towards UV-induced erythema was observed in volunteers. Dietary carotenoids may contribute to life-long protection against harmful UV radiation.

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@article{Stahl2006LycopenerichPA, title={Lycopene-rich products and dietary photoprotection.}, author={Wilhelm Stahl and Ulrike I. Heinrich and Olivier Aust and Hagen Tronnier and Helmut Sies}, journal={Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology}, year={2006}, volume={5 2}, pages={238-42} }