used as a coloring agent in food, cosmetics, pharmaceuticals and textiles. Eosin Y is often used as a counterstain in biological tissues. The hematoxylin-eosin staining is most frequently used for staining histological material.
Staining them by different coloured dyes, having affinities of specific components of tissues, makes identification and study of their morphology possible.
dyes are widely used in the pharmaceutical, food, textile, cosmetics, plastics, leather, paint, ink and paper industries. Eosin is an acidic orange-pink dye and has very strong staining properties.