carmine

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carmine

a. a vivid red colour, sometimes with a purplish tinge
b. (as adjective): carmine paint

Carmine

 

a red dye extracted from the bodies of wingless female cochineal insects. Carmine, a complex organic carminic acid, is extracted from the insects with hot water and acetic acid. It is soluble in water and alkalies. One gram of carmine is obtained from 150-175 insects. Carmine is used as a food coloring and a cosmetic dye. It is also used to stain microscopic specimens.

References in periodicals archive ?
Faint mucicarmine positivity is common in the vacuoles of mesotheliomas and should not be considered a feature diagnostic of adenocarcinoma.
The use of the mucicarmine stain for a rapid presumptive identification of Cryptococcus from culture.
Histochemical stains showed negative staining for PAS with diastase predigestion (dPAS), and in a few epithelial cases, mucicarmine stained focal areas.
Metastatic adenocarcinoma show cytological features of malignancy and cells are positive for mucicarmine (4,5).
Mucous extravasation from the tumor cysts was noted throughout the specimen on mucicarmine staining (figure 2).
5, colloidal iron, mucicarmine, periodic acid-Schiff (PAS), and zirconyl hematoxylin.
Additionally, in support of the nonepithelial nature of this proliferation is the negativity for mucin stains: mucicarmine and Alcian blue with periodic acid-Schiff.
No histochemical staining was seen with periodic acid-Schiff (PAS) or mucicarmine stains, which were performed to further elucidate the diagnosis.
These forms were observed by staining specimens with hematoxylin and eosin and Mayer mucicarmine (Figure).