Stable vitamin and/or carotenoid products in powder form,...

A - Human Necessities – 61 – K

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A61K 9/14 (2006.01) A61K 9/16 (2006.01) A61K 31/015 (2006.01) A61K 31/045 (2006.01) A61K 31/07 (2006.01) A61K 31/12 (2006.01) A61K 31/355 (2006.01) A61K 31/59 (2006.01) A61K 47/42 (2006.01)

Patent

CA 2083754

A process for preparing stable dry powders which are insoluble in hot water and which contain fat-soluble vitamins and/or carotenoids, which comprises the following steps: a) preparing an aqueous dispersion containing essen- tially these fat-soluble active substances, film- forming colloids arid reducing sugars, b) converting this dispersion into dry vitamin and/or carotenoid products in powder form and c) thermally curing the powder at from 60 to 180°C, wherein gelatin in combination with one or more organic, amino compounds which axe free or bonded in the manner of a salt and which contain a basic primary amino group and, in addition, either another amino group, a hydroxyl group, an alkoxy group or a carboxyl group, and/or in combination with sufficient basic alkali metal or alkaline earth metal compound for the dispersion to have a pH of from 7.5 to 10, is used as film-forming colloid, and the dry powders obtainable via this process are described.

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