Abstract
IN attempting to concentrate the fat-soluble vitamins, investigators submitted the fats or oils containing them to saponification, and found that they passed unchanged into the unsaponifiable fraction. Subsequent work, especially in connexion with vitamin A, has led to increased knowledge of the constituents of this fraction of a number of natural oils and fats, although the identification of the vitamin itself has not been successful. At the same time a certain amount of attention has been directed to the physiological functions of some of these constituents. It may be of interest to review briefly some of the more recent work on this subject.
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The Unsaponifiable Fraction of Certain Oils. Nature 125, 688–690 (1930). https://doi.org/10.1038/125688a0
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DOI: https://doi.org/10.1038/125688a0