Assertion: comfrey's pyrrolizidine alkaloid | /r/HasProperty | toxic
Facets:
value: to the liver
type: TRANSITIVE-OBJECT
value: very
type: DEGREE
value: for liver cells
type: TRANSITIVE-OBJECT
Source sentences:
text: On phytochemical screening, the pyrrolizidine alkaloids (PAs) were discovered and found to be toxic for liver cells.
text: Comfrey contains a substance called pyrrolizidine alkaloids that is considered toxic for the liver.
text: Being a toxic plant, comfrey can not be ingested (Pyrrolizidine alkaloids are the toxic principles of comfrey).
text: It is said that the herb contains dangerous substances called pyrrolizidine alkaloids that are very toxic to the liver and can cause death.
text: Pyrrolizidine alkaloids are very toxic to the liver and are also carcinogenic (cause cancer).
text: Pyrrolizidine alkaloids are highly toxic to the liver (hepatotoxic).