Assertion: comfrey's leaf | /r/HasProperty | rich
Facets:
value: in nutrients
type: OTHER
value: in vitamin b12
type: OTHER
value: in protein
type: OTHER
Source sentences:
text: The leaves are rich in nutrients and break down quickly in a compost bin.
text: Although the leaves and roots are rich in protein, vitamin B12, and anti-oxidants, it is dangerous to use the roots and the new leaves as they have a greater concentration of the poisonous alkaloids.
text: The leaves are rich in nutrients because the roots reach deep into the soil to extract valuable minerals.