Summary
By determinations of reduced iron in the feces and in various parts of the intestinal tracts of rachitic rats it was found that ingested vitamin D caused a distinct decrease in a high intestinal iron reduction characteristic of a rachitogenic ration containing added iron.
Determinations of reduced iron in the feces of rats during the onset of rickets and during vitamin D therapy gave variations similar to variations in pH. As supplements of the vitamin were increased from ineffective amounts it was found that sharp decreases in fecal reduced iron occurred before calcification.
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References
Iowa Agricultural Experiment Station, Annual Report, p. 28, 1933; p. 50, 1934. Data submitted for publication in this Journal.
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Journal Paper No. J-366 of the Iowa Agricultural Experiment Station. Project No. 102.
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Yoder, L. The effect of vitamin D on intestinal iron reduction. American Journal of Digestive Diseases and Nutrition 3, 829–831 (1936). https://doi.org/10.1007/BF02999277
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DOI: https://doi.org/10.1007/BF02999277