Cinchona
Botanical Name: Cinchona calisaya, C. succirubra
Pharmacognosy & Source
Plant Part Used
Dried bark
Geographical Source
South America, India, Indonesia
Macroscopic Features
Curved or quilled pieces, rough outer surface, reddish-brown inner surface, intensely bitter.
Constituents & Pharmacology
Active Constituents
Quinoline alkaloids (Quinine, Quinidine, Cinchonine, Cinchonidine)
Pharmacological Actions
Schizonticidal, cardiac depressant (quinidine)
Traditional Uses
Antimalarial, antipyretic, bitter tonic
Safety & Warnings
Contraindications
Pregnancy, G6PD deficiency, tinnitus/optic neuritis