FIELD: food industry.
SUBSTANCE: method envisages milling the original raw stock represented by anthocyan hybrid form of the cultivated flint corn (Zea mays L) plant, extracting colourants with anthocyan water at a temperature of 20°-40°C during 10 min - 1 hour with continuous agitation. Exclusion of the necessity of chemical reagents application enhances environmental friendliness of the colouring agent production process.
EFFECT: enhanced degree of anthocyans solubility in the extragent, improved productivity and reduced technological process duration, increased colouring agent yield, energy saving.
3 ex
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