Preparation of finely divided pulverulent carotinoid and...

Details Preparation of finely divided pulverulent carotinoid and... Preparation of finely divided pulverulent carotinoid and...

A - Human Necessities

23

L

99/7

A23L 1/27 (2006.01) A23L 1/275 (2006.01) C09B 61/00 (2006.01)

Patent

CA 1202809

Abstract of the Disclosure: Finely divided, pulverulent carotinoid or retinoid compositions, in which the carotin- oid or retinoid essentially has a particle size of less than 0.5 micron, are prepared by a process wherein a caro- tinoid or retinoid is dissolved in a volatile, water-miscible, organic solvent at from 50°C to 200 C, if necessary under super- atmospheric pressure, within the space of less than 10 seconds, the carotinoid is immediately precipitated, in a colloidally disperse form, from the molecularly disperse solution by rapidly mixing the latter with an aqueous solution of a swellable colloid at from 0°C to 50°C, and the resulting dispersion is freed from the solvent and the dispersing medium in a conventional manner.

402846

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