Similar to some other red dyes obtained from scale insects, the red coloring is derived from carminic acid with traces of kermesic acid.
12.
Carmine may be prepared from cochineal, by boiling dried insects in water to extract the carminic acid and then treating the clear solution with alum.
13.
Aluminum from the alum gives the traditional crimson color to carminic acid precipitates, which are called " carmine lakes " or " crimson lakes ".
14.
Carminic acid is extracted from the female cochineal insects and is treated to produce carmine, which can yield shades of red such as crimson and scarlet.
15.
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.
16.
Chemical structure of carminic acid, the predator-deterring substance found in high concentration in cochineal insects : The insoluble aluminium and calcium salts of this acid form red and purple dyes called carmine.
17.
The wealthy and aristocrats wore kermes, or carmine, made from the carminic acid in tiny female scale insects, which lived on the leaves of oak trees in Eastern Europe and around the Mediterranean.
18.
Carminic acid, typically 17-24 % of dried insects'weight, can be extracted from the body and eggs, then mixed with aluminium or calcium salts to make carmine dye, also known as cochineal.
19.
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.
20.
"The carminic acid used to produce the pigment can also be extracted from various microbes engineered for the purpose . " This is unreferenced-can I get some further information on microbial production of this compound ? talk ) 18 : 46, 23 April 2012 ( UTC)
How to say carminic acid in Hindi and what is the meaning of carminic acid in Hindi? carminic acid Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
