Assertion: catechin's effect | /r/HasProperty | determined in test systems
Facets:
Source sentences:
text: Since oxidative stress contributes much to neurodegeneration, antioxidative effect of the extracts was determined in metal-chelating and ferric-reducing antioxidant power (FRAP) test systems as well as antiradical effect against 2,2-diphenyl-1-picrylhydrazyl (DPPH).