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Carmine (/ ˈ k ɑːr m ə n, ˈ k ɑːr m aɪ n /) – also called cochineal (when it is extracted from the cochineal insect), cochineal extract, crimson lake, or carmine lake – is a pigment of a bright-red color obtained from the aluminium complex derived from carminic acid. [2] Specific code names for the pigment include natural red 4, C.I ...
To prepare carmine, the powdered insect bodies are boiled in ammonia or a sodium carbonate solution, the insoluble matter is removed by filtering, and alum is added to the clear salt solution of carminic acid to precipitate the red aluminium salt. Purity of color is ensured by the absence of iron.
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 January 2025. Very slightly purplish, deep red For the pigments used to make the color, see Carmine. "Carmine red" redirects here. For the RAL color, see Carmine red (RAL). Carmine Powdered carmine pigment Color coordinates Hex triplet #960018 sRGB B (r, g, b) (150, 0, 24) HSV (h, s, v) (350°, 100% ...
Some artificial dyes approved for food use in the EU include: E104: Quinoline yellow; E122: Carmoisine; E124: Ponceau 4R; E131: Patent blue V; E142: Green S; The three synthetic colors Orange B, Citrus Red No. 2 and FD&C Green No. 3 are not permitted in the EU, and neither is the natural toasted partially defatted cooked cottonseed flour. [33]
Acid green 50 Food green 4 44090 triarylmethane 3087-16-9: Guinea green B Guinea green Acid green 3 Food green 1 42085 triarylmethane 4680-78-8: Hematoxylin/Hematein: Natural black 1 75290 natural 517-28-2: Hofmann's Violet Dahlia Primula 42530 triarylmethane 8004-86-2: Hydroxynaphthol blue: azo 63451-35-4: Indigo: Indigo blue Vat blue 1 73000 ...
In late 2024, the state issued a ban on six other synthetic food dyes in public schools: Blue No. 1, Blue No. 2, Green No. 3, Red No. 40, Yellow No. 5, and Yellow No. 6. That, too, will take ...
Dozens of protesters rallied at WK Kellogg Co. headquarters in Battle Creek, Michigan, on Tuesday, calling on the company to remove artificial dyes from cereals sold in the U.S., according to reports.
An aluminum salt of carminic acid is the coloring agent in carmine, a pigment. [4] Natives of Peru had been producing cochineal dyes for textiles since at least 700 CE. [4] Synonyms are C.I. 75470 and C.I. Natural Red 4. [5] The chemical structure of carminic acid consists of a core anthraquinone structure linked to a glucose sugar unit.