Lactucopicrin

Lactucopicrin (Intybin) is a bitter substance that has a sedative and analgesic effect, acting on the central nervous system. It is a sesquiterpene lactone, and is a component of lactucarium, derived from the plant Lactuca virosa (wild lettuce), as well as being found in some related plants such as Cichorium intybus. It is also found in dandelion coffee.