Color |
Magenta - pink -red |
Source |
Dried Female Cochineal Insect |
Solubility |
Water, Mineral Acids, ether, alkali,
|
Insoluble in |
Oils and Fats, alcohol, organic
Solvents. |
Type |
Lake pigment |
Stability |
Stable in Heat and Light |
Storage |
Cool Dark Place |
Applications |
Fruits, yogurts, processed food,
cosmetics. |
Melting Point |
136°C (Decomposes) |
Carminic acid has been used as a colorant even in the ancient civilizations
be it the Egyptian, or the Maya or the Inca. At one point the worth of this
color was more than that of real gold. It is used as a food colorant, a dye
and body colorant. Canary Islands and Peru are the major centers for the
cultivation of these carminic acid producing insects.
Carminic acid is a glucosidal hydroxyanthrapurin derived from cochineal.
The dried cochineal contains 17-24% carminic acid. It is subject to cautious
extraction process in acidic, aqueous, alcoholic solution. It is then
precipitated as carmine. The chemical designation of carminic acid is
7-beta-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
2-anthracenecarboxylic acid.