rutin

noun

ru·​tin ˈrü-tᵊn 

: a yellow crystalline flavonol glycoside C₂₇H₃₀O₁₆ that occurs in various plants (such as buckwheat and tobacco) and is used in medicine chiefly for strengthening capillary walls

Word History

Etymology

German, from New Latin Ruta, genus that includes rue + German -in -in entry 1

First Known Use

1845, in the meaning defined above

Medical Definition

rutin

noun

ru·​tin ˈrüt-ᵊn 

: a yellow crystalline flavonol glycoside C₂₇H₃₀O₁₆ that occurs in various plants (as rue, tobacco, and buckwheat), that yields quercetin and rutinose on hydrolysis, and that is used chiefly for strengthening capillary blood vessels (as in cases of hypertension and radiation injury)