Saint-Ignatius’ bean

…produced by Strychnos ignatii, the Saint Ignatius’s bean of the Philippines, have been used to treat cholera. Strychnos spinosa (Natal orange) of southern Africa produces a yellow berry with edible pulp. Some species of Spigelia are known to be highly poisonous.

…Pierre-Joseph Pelletier in 1818 in Saint-Ignatius’-beans (S. ignatii), a woody vine of the Philippines. The nux vomica tree of India is the chief commercial source. Strychnine has a molecular formula of C₂₁H₂₂N₂O₂. It is practically insoluble in water and is soluble only with difficulty in alcohol and other common organic…