Assertion: catechin's concentration | /r/HasProperty | 0 μg/ml
Facets:
value: at 0 min
type: TEMPORAL
Source sentences:
text: Concentrations were 0 μg/mL at 0 min, 85.2 μg/mL at 5 min and 164.9 μg/mL at 20 min, at a brewing temperature of 80° C.