<chemical>

Colouring matter from the insect coccus cacti l. It is used in foods, pharmaceuticals, toiletries, etc., as a dye, and also has use as a microscopic stain and biological marker.

Pharmacological action: dyes, food colouring agents.

Chemical name: 2-Anthracenecarboxylic acid, 7-beta-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-

(12 Dec 1998)