(Chem.) A glucoside extracted from the bark of the oak (Quercus) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron.
quercitrin
quercitrin
[′kwer·sə·trən] (organic chemistry) C21H20O11 The 3-rhamnoside of quercitin, forming yellow crystals from dilute ethanol or methanol solution, melting at 176-179°C, soluble in alcohol; used as a textile dye. Also known as quercimelin; quercitroside.ThesaurusSeequercitron