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Show New Vitamins Found to Be Necessary for Health BOSTON. Add three new vitamins, vita-mins, one from grass and two in linseed oil, to the 15 known vitamins you must have to be healthy. Discovery of the three was reported report-ed to the Federation of American Societies for Experimental Biology here by Dr. D. W. Wooley, Rockefeller Rockefel-ler Institute, New York. The new vitamins almost surely exist elsewhere than in grass and linseed oil, and, although both substances sub-stances are edible for humans, it is not necessary to mix a grass-linseed salad to get the vitamins. Their nature na-ture is still unknown, and they have not been isolated. Dr. Wooley found them when feeding feed-ing guinea pigs all the now known dietary essentials available in pure form. These were the known vitamins vita-mins and sucrose, casein and corn oil, supposedly containing everything necessary. The pigs stopped growing grow-ing and finally died on this diet When linseed oil was added they lived a few weeks longer. Then dried grass was added, and the pigs grew and lived o. k. |