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Cochineal use in histology: Carmine staining of a monogenean (parasitic worm) Cochineal continues to be used as a fabric dye, a cosmetics dye and as a food coloring. [4] It is also used in histology as a preparatory stain for the examination of tissues and carbohydrates. [49]
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). The cochineal is an insect of economic and historical ...
Polish cochineal (Porphyrophora polonica, Margarodes polonicus), also known as Polish carmine scales (Polish: czerwiec polski), is a scale insect formerly used to produce a crimson dye of the same name, colloquially known as "Saint John's blood". The larvae of P. polonica are sessile parasites living on the roots of various herbs – especially ...
Some, such as the cochineal, kermes, lac, Armenian cochineal, and Polish cochineal, have been used to produce red dyes for coloring foods and dyeing fabrics. [ 27 ] [ 28 ] [ 29 ] Both the colour name " crimson " and the generic name Kermes are from Italian carmesi or cremesi for the dye used for Italian silk textiles, in turn from the Persian ...
Carmine (/ ˈkɑːrmən, ˈkɑːrmaɪn /) – 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. [1] Specific code names for the pigment include natural red 4, C.I. 75470 ...
Cactoblastis cactorum. Cactoblastis cactorum, the cactus moth, South American cactus moth or nopal moth, is native to Argentina, Paraguay, Uruguay and southern Brazil. It is one of five species in the genus Cactoblastis that inhabit South America, where many parasitoids, predators and pathogens control the expansion of the moths' population.
A new strain of the cochineal was introduced from Opuntia stricta collected in Australia in 1997 with encouraging results. The genotype of Dactylopius opuntiae which effectively controlled Opuntia stricta in South Africa was also introduced in Kenya, resulting in the reduction in flowering and fruiting, and leading to the death of the plants.
Carminic acid (C 22 H 20 O 13) is a red glucosidal hydroxyanthrapurin that occurs naturally in some scale insects, such as the cochineal, Armenian cochineal, and Polish cochineal. The insects produce the acid as a deterrent to predators. [3] An aluminum salt of carminic acid is the coloring agent in carmine, a pigment. [4]