Abstract
THE fine researches of Haworth and of Irvine have shown that fructose (levulose) does not possess the same chemical composition when it is in one of its natural combinations (cane sugar, inulin) as when it has been extracted. Hence it must be admitted that it can exist in two isomeric forms, one of which, to which the name of γ-fructose has been given, is unstable and changes spontaneously into the other, called normal fructose, as soon as it is set free. Haworth and his collaborators have made it very probable that the formulas which should be attributed to these two forms are the following:
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PICTET, A., VOGEL, H. The Synthesis of Cane Sugar1. Nature 121, 689–690 (1928). https://doi.org/10.1038/121689b0
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DOI: https://doi.org/10.1038/121689b0