Assertion: comfrey's pyrrolizidine alkaloid | /r/CapableOf | build up in the liver
Facets:
value: to cause permanent damage
type: PURPOSE
value: to cause death
type: PURPOSE
Source sentences:
text: Comfrey contains at least 8 pyrrolizidine alkaloids, which can build up in the liver to cause permanent damage and sometimes death.
text: Because comfrey contains at least eight different poisonous pyrrolizidine alkaloids that are absorbed through the skin and build up in the liver, it cannot be used on many skin conditions that involve openings in the skin, such as abrasions or skin ulcers.