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Preparation of cochenial carmine
 Helceletová, Zuzana ; Hrdličková Kučková, Štěpánka (advisor) ; Čapek Adamec, Martin (referee)
The aim of this study was to prepare a red organic pigment named cochineal carmine. The pigment was made out of dried insect called Coccus cacti using historical recipe. Next goal was to detect carminic acid by infrared spectroscopy with Fourier transform (FTIR) in dried bodies of the mentioned insect, then in the pigment prepared from it and in the pigment that was prepared using extract called carminum rubrum. The other results of this work were the comprehension of the origin and preparation of carmine pigment and the identification of carminic acid in both prepared pigments.
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