Assertion: comfrey's pyrrolizidine alkaloid | /r/CapableOf | feed high doses of the chemical
Facets:
value: extremely
type: DEGREE
Source sentences:
text: The reason for its bad reputation is based on the assertion that specific pyrrolizidine alkaloids (PAs) within the herb have been shown to be hepatoxic and carcinogenic to rats when fed extremely high doses of the chemical over a period of 480 to 600 days.
text: The reason for its bad reputation is based on the assertion that specific pyrrolizidine alkaloids (PAs) within the herb have been shown to be hepatoxic and carcinogenic to rats when fed extremely high doses of the chemical over a period of 480 to 600 days.