A review on pharmacognostic and pharmacological activity of quinoline and imidazole Alkaloids
Alkaloids are pharmacologically active containing two or more fused organic compound including heteroatom in it. The quinoline alkaloids from higher plants are best classified according to their biogenetic derivation from either anthranilic acid or tryptophan Cinchona which belongs to family Rubiaceae, got its importance from the centuries because of its antimalarial activity. Alkaloids present in this herb, Quinine, Chichonine, Quinidine and Cinchonidine are the main alkaloids of this class.