n. A flavonoid, found in many plants, that is a glycoside of quercetin and rutinose.
the GNU version of the Collaborative International Dictionary of English
n. A glucoside resembling, but distinct from, quercitrin. Rutin is found in the leaves of the rue (Ruta graveolens) and other plants, and obtained as a bitter yellow crystalline substance which yields quercitin on decomposition.
The Century Dictionary and Cyclopedia
n. Rutic acid.
Word Usage
"SU: Caper contains mainly water (85%), bitter glycosides (such as rutin and glucocapparin), pentosans, rutic acid, pectin, and saponin."