Process for preparing spray-dried powders containing a water-soluble vitamin and powders prepared thereby
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United States of America Patent
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-
Aug 12, 1986
Issued Date -
N/A
app pub date -
Oct 23, 1984
filing date -
Oct 24, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The subject invention relates to a process for preparing a powder containing a water-soluble vitamin which is directly compressible into a tablet prepared by spray drying (a) an aqueous slurry of a water-soluble vitamin and a binder; (b) preferably an adsorbent; and (c) a lubricant. Particularly useful water-soluble vitamins are ascorbic acid, sodium ascorbate, and calcium ascorbate. The unique feature of the process is that the lubricant is spray dried along with the other components. The invention also relates to powders prepared by this process. The powders are directly compressible into tablets and will not demix.
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