Chem. Also quino-. [f. QUIN-A + -id- + -INE5.] An alkaloid found in some cinchona barks along with quinine, with which it is isomeric.
1836. J. M. Gully, Magendie’s Formul., 68. There remains another alkaloid substance, found in 1833, in the yellow cinchona, by MM. Henry and Delondre…. This is quinodine.
1853. L. Pasteur, in Pharmac. Jrnl., XIII. 375. When subjected to the action of a moderate heat,… quinidine, like quinine, is converted into quinicine.
1857. Miller, Elem. Chem., III. 275.
1880. C. R. Markham, Peruv. Bark, 324. Their bark was found to produce the more efficacious alkaloid quinidine, instead of … chinchonine.
