canthaxanthin/erythema

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6 matokeo

The effect of beta-carotene in combination with canthaxanthin, Ro 8-8427 (Phenoro), in treatment of polymorphous light eruptions.

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Ingia / Ingia

50 patients with polymorphous light eruptions with treated with a beta-carotene-canthaxanthin combination, Ro 8-8427 (Phenoro) at a daily dose of 100 mg or placebo for a duration of 10 weeks in a double-blind, randomized, cross-over trial. The effect of treatment was evaluated clinically on the

Plumage pigment differences underlying the yellow-red differentiation in the Northern Flicker (Colaptes auratus).

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Ingia / Ingia

Elucidating the processes that create species differences is a central goal of evolutionary biology. The Northern Flicker (Colaptes auratus) exists as two well-differentiated subspecies groups in North America, the Yellow-shafted (auratus group) and Red-shafted Flickers (cafer group), which differ

Differential ability of carotenoid C4-oxygenation in yellow and red bishop species (Euplectes spp.).

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Ingia / Ingia

Male breeding plumages of African widowbirds and bishops (Euplectes spp.) show striking variation in carotenoid-based plumage coloration, with saturated yellow or orange-red patches of different size. Yet, from observations and experiments, agonistic signaling appears to have been a generalized

Oral carotenoids for photohypersensitivity in patients with erythrohepatic protoporphyria, polymorphous light eruptions and lupus erythematodes discoides.

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Ingia / Ingia

beta-Carotene and canthaxanthin in a dose of 75--250 mg a day by mouth reduced the symptons of exposure to the sun in all 7 treated patients with erythrohepatic protoporphyria (EPP), in 15 of 18 with polymorphous light eruptions (PMLE) and in 3 of 4 with lupus erythematodes discoides. In the EPP

Testing the shared-pathway hypothesis in the carotenoid-based coloration of red crossbills

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Ingia / Ingia

The mechanisms involved in the production of red carotenoid-based ornaments of vertebrates are still poorly understood. These colorations often depend on enzymatic transformations (ketolation) of dietary yellow carotenoids, which could occur in the inner mitochondrial membrane (IMM). Thus,

Protective role of butylated hydroxytoluene and certain carotenoids in photocarcinogenesis.

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Ingia / Ingia

Butylated hydroxytoluene (BHT) and certain carotenoid pigments have been found to inhibit photocarcinogenesis in animal models. In addition, BHT protects against UV-B-induced erythema and UV-B induction of ornithine decarboxylase. Studies on the photoprotective mechanism(s) of BHT suggested that

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Herbal & Natural Medicine

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