Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules
Patent
1995-05-23
1997-07-15
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Capsules
424452, 424489, 424439, 424456, A61K 948
Patent
active
056480911
ABSTRACT:
A process for purifying vitamin A consisting of heating a vitamin A preparation in an inert atmosphere, at a temperature below 170.degree. C. and a pressure of less than 4 mm of mercury, said heating taking place in a vessel shielded from light is disclosed. The vitamin A obtained from this process is mixed with from 0.5:1 to 2:1 parts of tocopherol to vitamin A. The vitamin A and tocopherol mixture can be encapsulated in acacia gum, starch, pectins or other suitable materials. When the vitamin A is encapsulated, the level of tocopherol required is less, preferably from 0.05:1 to about 1:1 parts of tocopherol to vitamin A is used in an encapsulated vitamin A composition. Other antioxidants can be added.
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Sanders Robert Alan
Sarama Robert Joseph
Sevenants Michael Robert
Wehmeier Thomas Joseph
Dabek Rose Ann
Nesbitt Daniel F.
Page Thurman K.
Rasser J. C.
Spear James M.
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