Assertion: tea's polyphenol | /r/HasProperty | catechin
Facets:
value: notably
type: DEGREE
Source sentences:
text: Green tea is the least processed and thus provides the most antioxidant polyphenols, notably a catechin called epigallocatechin-3-gallate (EGCG), which is believed to be responsible for most of the health benefits linked to green tea.