Assertion: blackberry's fruit | /r/CapableOf | ripen to dark bluish purple
Facets:
value: from light red
type: OTHER
Source sentences:
text: Levels of total flavonols in tropical highland blackberries are reported to decline as the fruit ripens from light red (30 mg/100 g FW) to dark bluish purple (14 mg/100 g FW) stages.