Assertion: catechin's effect | /r/HasProperty | evaluated in several conducted studies
Facets:
value: previously
type: TEMPORAL
Source sentences:
text: However, the inhibitory effect of catechin against α-glucosidase enzyme was evaluated in several previously conducted studies which initially demonstrated that catechin preferentially inhibited maltase rather than sucrase in an immobilized α-glucosidase inhibitory assay system [ 23 26 ].