Quinquina is a variety of apéritif wines. Traditionally quinquinas contain cinchona bark, which provides quinine. Quinine was used in treating malaria. Americano is considered either a subclass of quinquina, or a separate variety of apéritif. Americano uses gentian root as the primary ingredient for flavoring and bitterness. Quinquina also refer...
• (n.) Peruvian bark.
Synonym for cinchona ... A genus of rubiaceous south american trees that yields the toxic cinchona alkaloids from their bark; quinine, quinidine, chinconine, cinchonidine and others are used to treat malaria and cardiac arrhythmias. ... (12 Dec 1998) ... 
French, wine-based aperitif, flavoured with quinine
Quin·qui'na noun [ New Latin & F. See Quinine .] Peruvian bark. 
Type: Term Pronunciation: kwin-kwi′nă Synonyms: cinchona