Assertion: cellulose | /r/HasProperty | hydrolyzed into sugar
Facets:
value: in 1819
type: TEMPORAL
value: by treatment with sulfuric acid
type: MANNER
Source sentences:
text: The French chemist, Henri Braconnot, was the first to discover that cellulose could be hydrolyzed into sugars by treatment with sulfuric acid in 1819.