Abstract
WE reported in our previous notes1 on the vitamin nature of phenyl-benzo--pyrone dyes, and have described a method for the experimental demonstration of this activity. Using this method, we tested the following substances for their vitamin activity: hesperidine (m.p. 261°), an impure sample of demethylo-hesperidine (mother liquor of citrin) and quercitrine, 1 mgm. being given daily.
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References
NATURE, 138, 798 (Nov. 7, 1936).
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BENTHSÁTH, A., RUSZNYÁK, S. & SZENT-GYÖRGYI, A. Vitamin P. Nature 139, 326–327 (1937). https://doi.org/10.1038/139326b0
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DOI: https://doi.org/10.1038/139326b0
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