STABLE EMULSION FOR COLORING AND METHOD FOR PREPARING THE SAME

• Main Authors: HOSOKAWA TERUMASA, TANAKA NOBUKAZU
• Format: Patent
• Language: English
• Published: 16.11.2001
• Edition: 7
• Subjects: 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

PROBLEM TO BE SOLVED: To provide an emulsion containing a stable carotenoid that can be used as an aqueous solution of a colorant for food products which enables transparent and stable coloring of aqueous food products, and provide a method for preparing the emulsion and its use as a colorant. SOLUTION: An astaxanthin-containing oil and water are added to and mixed into a solution in which glycerin, a glycerin fatty acid ester and a sucrose fatty acid ester have been dissolved in advance to prepare a water-soluble emulsion containing an astaxanthin-containing oil. The emulsion is used as a colorant for food products that enables transparent and stable coloring of aqueous food products.