Letter | Published:

Excretion of Vitamin C in Sweat

Nature volume 140, pages 684685 (16 October 1937) | Download Citation

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Abstract

ON the Witwatersrand gold mines, where the Bantu mine labourers work under hot humid conditions, cases of scurvy and sub-scurvy occur with some frequency, despite the fact that the diet provided has been shown to contain adequate amounts of vitamin C (some 20–30 mgm. daily). The explanation given is that the high energy requirement increases utilization of the vitamin. However, on testing sweat samples collected from recruits undergoing a 'heat tolerance' test under conditions approaching those encountered underground (shovelling gravel at 97° F. dry and 96° F. wet bulb for one hour in a surface chamber), it was found that sweat reduced indophenol dye under conditions regarded as specific for the vitamin1.

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References

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    , and , Biochem. J., 28, 268, 1153 (1934); 30, 25 (1936).

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Affiliations

  1. Department of Physiology, University of the Witwatersrand, Johannesburg. Sept. 16.

    • R. E. BERNSTEIN

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DOI

https://doi.org/10.1038/140684c0

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