Chem. [f. QUIN-A + AMINE.] A natural crystallizable alkaloid found in the bark of Cinchona succirubra by Dr. Hesse in 1872. Also called Quinamina and Quinamia.
Hence Quinamicine, Quinamidine, artificial isomeric alkaloids obtained from quinamine.
1875. Watts, Dict. Chem., 2 Suppl. 346. Quinamine crystallises in delicate, asbestiform anhydrous prisms.
1880. C. R. Markham, Peruv. Bark, 430. He also detected, in all of them, the presence of a new alkaloid called quinamine.
1889. Watts’ Dict. Chem., II. 180. Quinamicine … Formed by heating quinamine with dilute acids at 130°. Ibid., Quinamidine … Formed by the action of acids upon quinamine.
