Assertion: catechin | /r/HasProperty | defined
Facets:
value: further
type: MANNER
Source sentences:
text: The catechins, and the corresponding plants’ optimal doses, need to be further defined; for example, Kim et al. demonstrated that the daily oral intake of 6 g of tea would induce a corresponding adverse reaction [ 57 ], with three cups of tea generally containing about 500 mg of green tea [ 40 ].