Word: bulgaricus
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Dates: during 1940-1949
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Extrin is made by Extrin Foods, Inc. of New York City. It is a culture of Lactobacilli* (bulgaricus, acidophilus, moro) and yeast (fragitans), grown in heavy cream and buttermilk, which continue to work in hydrogenated vegetable oils. The culture includes natural annatto extract (for coloring) and salt. Two ounces of Extrin will permeate ten pounds of shortening. Together with two ounces of salt, a quart of water and 3 Ib. of butter, this makes a mixture which can legally be called "butter spread." But even without any butter, Extrinized shortening is almost impossible to tell from the real thing...