Low micron-sized ascorbic acid particles, especially a suspension thereof in a medium in which they are insoluble, and the use thereof as an antioxidant for mediums in which the particles remain insoluble
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United States of America Patent
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May 24, 1994
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app pub date -
Oct 14, 1992
filing date -
Jun 20, 1991
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Abstract
Solid ascorbic acid particles of less than 38 microns in size are shown to be effective antioxidants for substrates in which ascorbic acid is insoluble, such as animal and vegetable oils, essential oils, carotenoids, and the like, at weight concentrations of 0.02% and even at 0.005% or below. These particles are preferably prepared by wet milling ascorbic acid in a medium in which it is insoluble, until the size is less than 38 microns, and preferably less. Employment of such particles in a medium in which they are insoluble, as well as employment in the stabilization of fats, oils, and foods, is demonstrated.
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