CUTTLEFISH INK DYE AQUEOUS DISPERSION, AND METHOD FOR MANUFACTURING THE SAME

• Main Authors: NEGISHI HISASHI, KATO YUTARO, FURUNO HIROYUKI
• Format: Patent
• Language: English
• Published: 25.10.2012
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; INKS; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; USE OF MATERIALS THEREFOR; WOODSTAINS

PROBLEM TO BE SOLVED: To provide a cuttlefish ink dye aqueous dispersion utilizable for coloration of foods and beverages, and having high color density and low viscosity.SOLUTION: The cuttlefish ink dye aqueous dispersion for coloration of the foods and beverages contains a solvent containing water, and a cuttlefish ink, wherein: the color density (550 nm) measured as a water-diluted liquid is ≥400 and ≤2,000; and the viscosity measured at 30 rpm using a B-type viscometer is ≥50.0 mPa s and ≤2,000 mPa s.