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A bright red dye and the stain carmine used in microbiology is often made from the carmine extract, too. [12] The pharmaceutical industry uses cochineal to color pills and ointments. [17] Cochineal-colored wool and cotton continue to be important materials for Mexican folk art and crafts.
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 ...
Dactylopius is a genus of insect in the superfamily Coccoidea, the scale insects.It is the only genus in the family Dactylopiidae. [1] These insects are known commonly as cochineals, [2] [3] a name that also specifically refers to the best-known species, the cochineal (Dactylopius coccus).
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 February 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% ...
The carmine dyestuff of Porphyrophora hamelii owes its red color almost entirely to carminic acid, making it difficult to distinguish chemically from the dyestuff of cochineal from the Americas. [ 6 ] [ 9 ] [ 10 ] [ 15 ] [ 26 ] [ excessive citations ] The dyestuff of Porphyrophora polonica can be distinguished by its small admixture of kermesic ...
When alum is added to the dye substance as a mordant, a bright red-orange hue is obtained, which color is then made color-fast. Wool dyed with the scale insect kermes. Chemical analysis of the dye extract shows a high percentage of kermesic acid (C 16 H 10 O 8) (Ka; maximum at 480 nanometers [nm]) and flavokermesic acid (Fk; maximum at 432 nm).
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.
The Polish cochineal lives on herbaceous plants growing in sandy and arid, infertile soils. Its primary host plant is the perennial knawel (Scleranthus perennis), but it has also been known to feed on plants of 20 other genera, including mouse-ear hawkweed (Hieracium pilosella), bladder campion (Silene inflata), velvet bent (Agrostis canina), Caragana, [4] smooth rupturewort (Herniaria glabra ...