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nounnatural bases containing nitrogen found in plantstype of:
Definition that contains alkaloid
- cocaine a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
- morphine an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain
- nicotine an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
- caffeine a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
- peyote the hallucinatory alkaloid that is the active agent in mescal buttons
- mescaline the hallucinatory alkaloid that is the active agent in mescal buttons
- quinine a bitter alkaloid extracted from chinchona bark; used in malaria therapy
- strychnine an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant
- atropine a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
- theophylline a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator