Photoprotection by carotenoids
- PMID: 3556613
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Photoprotection by carotenoids
Fed Proc.
1987 Apr.
Abstract
Carotenoid pigments have been found to have a protective function against photosensitization in green plants. This protective ability has been exploited in the administration of high doses of beta-carotene to patients with erythropoietic protoporphyria to ameliorate the photosensitivity associated with this disease. The carotenoids seem to exert their light-protective function by quenching excited species such as singlet oxygen and free radicals.
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