Results 211 to 220 of about 39,963 (257)
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Beta Carotene in Congenital Porphyria
Archives of Dermatology, 1978To the Editor.— Dr George Stretcher, in his article on erythropoietic porphyria, which appeared in the NovemberArchives(113:1553-1557,1977), makes a reference to the lack of information about the long-term treatment with beta carotene. In 1973,I described a young woman, aged 18, with congenital porphyria at the Royal Society of Medicine ( Proc R Soc ...
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Bioavailability of beta-carotene in humans
The American Journal of Clinical Nutrition, 1988Normal healthy volunteers were studied after they ingested various beta-carotene doses. Daily administration of 15 or 45 mg beta-carotene resulted in significant increase in plasma beta-carotene levels. The extent of increase and the pattern of plasma beta-carotene levels showed substantial interindividual variation.
N V, Dimitrov +7 more
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Lack of genotoxicity with beta-carotene
Toxicology Letters, 1988A literature review was conducted on adverse effects of carotenoids on human and animal development. The data suggest that beta-carotene administration prevented genetic damage caused by mutagens both in bacterial and cell culture systems, and that large doses of pure beta-carotene do not cause embryotoxicity in rodents.
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Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa
Nature, 2022Sikhulile Moyo +2 more
exaly
Protection against SARS-CoV-2 Beta variant in mRNA-1273 vaccine–boosted nonhuman primates
Science, 2021Kizzmekia S Corbett +2 more
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