Assertion: sycamore's bark | /r/HasProperty | produced for this purpose
Facets:
value: in the united states
type: LOCATION
value: commercially
type: MANNER
Source sentences:
text: The mucilaginous inner bark of the Slippery Elm Ulmus rubra has long been used as a demulcent, and is still produced commercially for this purpose in the United States with approval for sale as a nutritional supplement by the U.S. Food and Drug Administration.