Assertion: castor oil's acid | /r/HasProperty | rare compound
Facets:
value: very
type: DEGREE
Source sentences:
text: Castor oil is an excellent source of fatty acids, one of the key triglyceride fatty acids, which is ricinoleic acid, a rare compound not easily found in plants.
text: In fact, ricinoleic acid is a very rare compound and is mainly only found in castor seeds.