PHYTOENE AS A PROTECTIVE AGENT AGAINST SUNBURN (>280nm) RADIATION IN GUINEA PIGS |
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| Authors: | Micheline M. Mathews-Roth Madhu A. Pathak |
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| Affiliation: | Department of Medical Microbiology, Boston City Hospital, 774 Albany Street, Boston, Mass., 02118 and Channing Laboratory and Department of Medicine, Harvard Medical School, Boston, Mass., U.S.A.;Photobiology Unit, Dermatology Service, Massachusetts General Hospital, Boston, Mass., 02114 and Department of Dermatology, Harvard Medical School, Boston, Mass., U.S.A. |
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| Abstract: | Abstract— Phytoene, the colorless triene precursor of β-carotene (17 mg/g body weight) or a placebo was given to guinea pigs by daily intraperitoneal injection for 14 days, after which the animals were exposed to radiation (> 280 nm). It was found that the animals receiving phytoene developed significantly less erythema to the radiation than did the animals receiving placebo. |
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