FIELD: chemistry.
SUBSTANCE: invention refers to a black colouring substance, which can be used as a colouring agent in producing a food product or a pharmaceutical preparation. What is described is a water-dispersible colouring substance, containing herbal charcoal and octenyl succinate starch as a dispersing agent. What is also described is a method for preparing the above colouring substance applicable for colouring the food product or the pharmaceutical preparation.
EFFECT: invention provides the colouring substance of herbal charcoal having an increased colouring ability and low viscosity with simplifying the technology of colouring of food or pharmaceutical products.
15 cl, 5 tbl, 5 ex
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