Low micron-sized ascorbic acid particles, especially a suspensio

Details Low micron-sized ascorbic acid particles, especially a suspensio Low micron-sized ascorbic acid particles, especially a suspensio

1992-10-14

1994-05-24

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424489, 514474, A61K 700, A61K 914

Patent

active

053146867

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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