CURCUMINKOMPLEXER

A curcumin complex with a water-soluble branched chain or cyclic polysaccharide or a water-soluble or water-dispersible protein, which will not precipitate upon standing in water, which gives an essentially stable yellow solution in water, and from which complex curcumin cannot be removed by centrif...

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Bibliographische Detailangaben
1. Verfasser:	TODD, PAUL H
Format:	Patent
Sprache:	dan
Schlagworte:	ADHESIVES CHEMISTRY DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE DYES FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES LAKES MAKING THEREOF METALLURGY MILK OR CHEESE SUBSTITUTES MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS 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
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Beschreibung
Zusammenfassung:	A curcumin complex with a water-soluble branched chain or cyclic polysaccharide or a water-soluble or water-dispersible protein, which will not precipitate upon standing in water, which gives an essentially stable yellow solution in water, and from which complex curcumin cannot be removed by centrifugation, as well as a process for preparing such a complex of curcumin and a substrate, selected from a water-soluble branched chain or cyclic polysaccharide and a water-soluble or water-dispersible protein, by contacting the substrate and curcumin in an aqueous solution at a pH above about 9, at which pH the curcumin is present in its water-soluble red alkaline form, and then acidifying to drop the pH to below about 8, thereby complexing the curcumin in its neutral yellow form with the substrate, are disclosed.