Assertion: opium's morphine | /r/HasProperty | isolated
Facets:
value: from any medicinal plant
type: OTHER
value: from the poppy
type: LOCATION
value: about 1804
type: TEMPORAL
Source sentences:
text: The narcotic effects of opium are mainly attributable to morphine, which was first isolated about 1804.
text: In the 1800’s opium was recognized as a standard painkiller when morphine was isolated from the poppy.
text: Morphine was the first alkaloid to be isolated from any medicinal plant, the beginning of modern scientific drug discovery.