The usual chemical method of obtaining vitamins from fish oil is to remove the oil and leave the vitaminlike obtaining a carburetor by removing the rest of an automobile of which it is part. Distilling is a more efficient method of obtaining vitamins from oils, but distilling vitamins is not so simple as distilling whiskey. Vitamin distillation has been practical only in recent years, has not yet been completely commercialized. Last week, at scientific meetings in Ithaca, Manhattan and Washington, Dr. Kenneth Claude Devereux Hickman of Eastman Kodak laboratories, Rochester, N. Y.a British...
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