Erythrosine is classed as a xanthene dye
. Xanthene is a fluorescent dye that ranges from yellow to pink to bluish red.
Caption: FIGURE 4: Molecular electrostatic potential of each xanthene dye
(isovalue of 0.0004 a.u.).
Rhodamine B is a xanthene dye
whose optical properties depend of several factors, such as solvent, concentration and pH value .
Rose Bengal is a red, xanthene dye
(including other members like phloxine b, erythrosine, and eosin yellow) that produces reactive, singlet oxygen when exposed to light.
are a family of compounds characterized by an intense absorption and fluorescence that has been widely employed for a variety of technological applications [1-5].
Stephenson, "Fluorescent probes and switches based on the xanthene dyes
rhodamine and fluorescein," vol.
Dorosz, "The xanthene dyes
doped PMMA microspheres for optical sensor applications," in Proceedings of the 16th Conference on Optical Fibers and Their Applications, Poland, September 2015.
They are: Erythrosin included in the class of xanthene dyes
; Blue indigotine included in the indigotin class of dyes, Patent Blue V, Fast Green and Brilliant Blue in class of triphenylmethane dyes, Bordeaux Red, Ponceau 4R, Red 40, Azorubine, Tartrazine Yellow and Sunset Yellow, included in the class of azo dyes (POLONIO; PERES, 2009).