carminic acid


Also found in: Dictionary, Medical, Wikipedia.
Related to carminic acid: carmine

carminic acid

[kär′min·ik ′as·əd]
(organic chemistry)
C22H20O13 A glucosidal hydroxyanthrapurin that is derived from cochineal; a red crystalline dye used as a stain for biological materials. Also known as cochinilin.
References in periodicals archive ?
The body of an adult female cochineal insect contains 10% in weight of carminic acid (CA), which is the main component of Nocheztli [22].
Shamsipur, "Spectrophotometric determination of carminic acid in human plasma and fruit juices by second order calibration of the absorbance spectra-pH data matrices coupled with standard addition method," Analytica Chimica Acta, vol.
As carminic acid is known to be repellent to mealybug predators (Eisner et al.
Red cochineal dye (carminic acid): Its role in nature.
In reversed-phase studies, we used a derivative of carminic acid, an inexpensive dye with an absorptivity of 5 x 10 (sub 3) l/g cm, as the additive.
Vagnini, "Role of protolytic interactions in photo-aging processes of carminic acid and carminic lake in solution and painted layers," Journal of the Chemical Society, Perkin Transactions, vol.
Having studied Armenian cochineal, from its earliest extraction in the 7th century BC to its use in manuscripts, or "miniature paintings", to document Armenian culture and life, Cavusoglu makes fantastic use of the pigment that comes from a carminic acid found in the Ararat or Armenian cochineal insect living in the roots of the Aeluropus littoralis plant.
The extract was analyzed for boron using the azomethine/H carminic acid method (American Wood-Preservers' Association Standard A2 Method 16 [AWPA 2004]).
Curcumin, carminsaure, crystal violet, carminic acid, and azomethine-H methods are based on photometry (1,9,33).