Assertion: catechin | /r/HasProperty | converted to thearubigin
Facets:
value: via polyphenol oxidases
type: MANNER
value: during black tea production
type: TEMPORAL
value: mostly
type: DEGREE
Source sentences:
text: During black tea production, the catechins are mostly converted to theaflavins and thearubigins via polyphenol oxidases.