Assertion: catechin's concentration | /r/HasProperty | 4% miscellaneous catechins
Facets:
Source sentences:
text: Typical concentrations of these components in green tea leaves are 18.2% EGC, 4.1% EC, 14.9% EGCG, 3.9% ECG, 4% miscellaneous catechins, and 5.8% caffeine.