PROCESS FOR THE MANUFACTURE OF POWDERY FINELY DIVIDED PREPARATIONS OF CAROTENOIDS

Finely divided, pulverulent carotenoid preparations in which the carotenoid essentially has a particle size of less than 0.5 micron are prepared by a process in which a carotenoid is dissolved in a volatile, water-miscible, organic solvent at from 50 DEG to 240 DEG C., under atmospheric or superatmo...

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Hauptverfasser:	HAEHNLEIN, WOLFGANG, QUADBECK-SEEGER, HANS-JUERGEN, DR, SCHAEFER, PETER, HORN, DIETER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DYES FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR RELEVANT APPARATUS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Beschreibung
Zusammenfassung:	Finely divided, pulverulent carotenoid preparations in which the carotenoid essentially has a particle size of less than 0.5 micron are prepared by a process in which a carotenoid is dissolved in a volatile, water-miscible, organic solvent at from 50 DEG to 240 DEG C., under atmospheric or superatmospheric pressure, in less than 10 seconds, the carotenoid is precipitated in colloidal disperse form from the resulting molecular disperse solution by rapid mixing with milk at from 0 DEG to 50 DEG C., and the resulting dispersion is freed from the solvent and the dispersing medium in a conventional manner.