cenokrine

[Gr. oinos =wine, and krinō to separate.] Chem.: The name of a test-paper sold in Paris for the purpose of detecting the fraudulent coloration of wines. It is stated that 10 of magenta in wine is sufficient to give the paper a violet shade. ce'-nol-in, s . [Eng.œnol; -in.] Chem. C10H10. The coloring matter of red wine, obtained by precipitating with basic acetate of lead, and exhausting the dried precipitate with a mixture of ether and hydrochloric acid. It is a nearly black powder when dry, insoluble in pure water, but soluble in water containing a vegetable acid, and easily soluble in alcohol.