Assertion: catechin's concentration | /r/CapableOf | enhance the antioxidant activity
Facets:
Source sentences:
text: In this study, the synergistic effects of P. fruticosa leaves extracts (PFE) combined with green tea polyphenols (GTP) were studied to elucidate their use in combination and find specific combinations with least concentrations that enhance the antioxidant activity.