Vitamins in Milk
‘THERE used to be a tendency, to prefer concentrated and _ purified foods. In 1881, Lunin manufactured in his laboratory a milk which contained in the same proportions, the elements known to exist in naturdl milk. However, young animals fed on this drink grew weak and died. From 1906 to 1912, Sir Frederick Gowland Hopkins in England, in 1909 Stepp in Germany, and in 1912 Osborne and Mendel in the United States, fed rats on products obtained by chemical synthesis. The rats sickened, but as soon as a small amount of natural milk was added to their diet, they developed normally. The case was proved: there exists in natural milk, in such minute amounts that they escaped the attention of the chemists of that era, certain substances necessary to the maintenance of life. — ("The Discovery of Vitamins." Red Cross Society talk. 2Y A, April 7.)
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New Zealand Listener, Volume 6, Issue 148, 24 April 1942, Page 3
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147Vitamins in Milk New Zealand Listener, Volume 6, Issue 148, 24 April 1942, Page 3
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