NORBIXIN ADDUCTS WITH WATER-SOLUBLE OR WATER-DISPERSIBLE PROTEINS OR BRANCHED-CHAIN OR CYCLIC POLYSACCHARIDES

A norbixin complex with a water-soluble or water-dispersible 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 bright reddish or magenta solution in water, and from which compl...

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Bibliographische Detailangaben
1. Verfasser:	PAUL H TODD
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES BAKERY PRODUCTS BAKING CHEMISTRY DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE DYES EDIBLE DOUGHS 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 CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PEPTIDES POLISHES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRESERVATION THEREOF THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BYADDITION OF MATERIALS
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Beschreibung
Zusammenfassung:	A norbixin complex with a water-soluble or water-dispersible 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 bright reddish or magenta solution in water, and from which complex norbixin cannot be removed by centrifugation, as well as a process for preparing such a complex of norbixin and a substrate, selected from a water-soluble or water-dispersible branched-chain or cyclic polysaccharide and a water-soluble or water-dispersible protein, by contacting the substrate and norbixin in an aqueous solution at an alkaline pH, e.g., above about 8.5, at which pH the norbixin is present in its water-soluble orange alkaline form, and then acidifying to drop the pH to below about 7.7, preferably below about 6.8, thereby complexing the norbixin in its neutral to acidic reddish or magenta form with the substrate, are disclosed.