The isolation of morphine from opium takes advantage of the amphoteric nature of the alkaloid , since morphine is a phenolic amine.
Caffeine is a bitter alkaloid found especially in coffee, tea, and kola nuts and used medicinally as a stimulant and diuretic.
Morphine is an alkaloid , meaning that it is an organic compound that contains carbon, hydrogen and nitrogen, and forms a water-soluble salt.
Second, the alkaloid is refluxed with acetic anhydride for about five hours.
Barbiturates are derived from barbituric acid, an alkaloid with nitrogen-containing rings.
Berberine is an alkaloid occurring in the plant genera Berberis and Coptis.
Other important alkaloids are caffeine, ricinine, and quinine.
Caffeine is a naturally occurring drug belonging to a group of compounds called alkaloids .
Diuretics can be found in terpenes, phenolics and alkaloids .
CE analysis of plant secondary metabolites such as flavonoids, alkaloids , and phenolic acids is now common.