→Opium is a caffeic substance that binds to specific receptors present in the central nervous system and gastrointestinal tract.
→Opium is a dry latex obtained by incising the unripe pods of the opium poppy plant (Papaver sominiferum).
→The drugs morphine and codeine are derived from opium.
→Morphine is a well-known sedative & pain- killer & used to reduce pain after surgery.
→It also acts on the neurons in the cerebellum and relieves the body from pain by inhibiting pain. It acts as a stimulant.
→Codeine, another alkaloid derived from opium, is an analgesic. Often used in cough syrups, it calms the process.
→Used to prevent tension in the stomach and intestines.
→Heroin (smack):
→Chemically diacetyl morphine
→Bitter, white, odorless, crystalline compound
→Obtained by acetylation of morphine
→Taken by snorting & injection
→Acts as depressant & slows down body function.