Assertion: benzoic acid's compound | /r/HasProperty | produced until early 1900s
Facets:
value: from lemon juice
type: OTHER
Source sentences:
text: The odorless and colorless compound was produced from lemon juice until the early 1900s when researchers discovered that it could also be made from the black mold, Aspergillus niger, which creates citric acid when it feeds on sugar ( 1 , 2 ).