Abstract
FROM their letter in NATURE 1 and various reports in the daily Press, it would appear that the work of Drs. F. P. Bowden and C. P. Snow provides a new and powerful technique offering the prospect of an immediate extension of knowledge concerning vitamins. In scrutinising the evidence disclosed in favour of this claim, we find ourselves in difficulties. In the first place, the technique (the study of spectral absorption curves, and irradiation with light of selected wavelengths) is familiar and has already been applied in vitamin studies ; while in the second place, the idea of one experimental method as a key to several vitamins seems to underestimate the differences between organic compounds of widely varying constitution sharing only a capacity to induce unusual (but quite diverse) physiological responses. Drs. Bowden and Snow evoke two possibilities :
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References
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HEILBRON, I., MORTON, R. Photochemistry of Vitamins A, B, C, D. Nature 129, 866–867 (1932). https://doi.org/10.1038/129866a0
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DOI: https://doi.org/10.1038/129866a0
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