. Carminic acid
Carminic acid
Carminic acid

Carminic acid

Carminic acid (C22H20O13) is a red glucosidal hydroxyanthapurin that occurs naturally in some scale insects, such as the cochineal and the Polish cochineal. The insects produce the acid as a feeding deterrent. Carminic acid is the colouring agent in carmine. Synonyms are C.I. 75470 and C.I. Natural Red 4.

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The chemical structure of carminic acid consists of a core anthraquinone structure linked to a glucose sugar unit. Carminic acid was first synthesized by organic chemists in 1991. [2]

References

  1. ^Merck Index, 11th Edition, 1850.
  2. ^ Allevi, P. et al. 1991. The 1st Total Synthesis of Carminic Acid. Journal of the Chemical Society-Chemical Communications 18:1319-1320.
Bond: O-glycosidic bond | S-glycosidic bond | N-glycosidic bond Geometry: α-Glycoside | β-Glycoside | 1,4-Glycoside | 1,6-Glycoside Glycone: Glucoside | Fructoside | Glucuronide Aglycone: Alcoholic glycoside | Anthraquinone glycoside | Coumarin glycoside | Cyanogenic glycoside | Flavonoid glycoside | Phenolic glycoside | Saponin | Cardiac glycoside | Steviol glycoside | Thioglycoside | Glycosylamine | Bufanolide | Cardenolide Product highlight Flexible and web-based software solution for efficient lab workflows Modular multi-channel potentiostat for high-precision electrochemical measurements ZSX Primus III NEXT – High-throughput Tube-Above Wavelength Dispersive XRF Spectrometer About chemeurope.com

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