Morphine is an active alkaloid extracted from the opium poppy plant and is used as opiate analgesic medication. *alkaloid is any of a class of nitrogenous organic compounds of plant origin which have physiological actions on humans.
Uncured olives contain a bitter alkaloid called oleuropein which has antioxidant properties. Curing neutralises most of the alkaloid and reduces bitterness. There are different curing methods including brine, dry salt, lye (sodium hydroxide aka caustic soda) and water which produce… Full Answer
Chocolate does not contain any caffeine. This is an urban legend. Caffeine is often confused with another alkaloid that has similar effects. The alkaloid is Theobromine, which is the active ingredient in chocolate and is toxic to dogs.