Abstract
WHEN treated with platinum-black or with hydro-sulphite, vitamin B1 is easily reduced. Crystalline preparations from Hoffmann-La Roche and from I. G. Farben were used. They gave identical results. Hydrogenation with platinum-black was measured in Warburg-Barcroft manometers. In phosphate solution at pH 7.5, 0.94 mol H2 was absorbed per mol vitamin (average of three experiments).
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References
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Williams et al., J. Amer. Chem. Soc., 57, 536, 1093, 1856 (1935).
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LIPMANN, F. Hydrogenation of Vitamin B1. Nature 138, 1097–1098 (1936). https://doi.org/10.1038/1381097b0
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DOI: https://doi.org/10.1038/1381097b0
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