Felgines C., Talavera S., Texier O., Gil-Izquierdo A., Lamaison J.L., Remesy C. (2005) Blackberry anthocyanins are mainly recovered from urine as methylated and glucuronidated conjugates in humans. J Agric Food Chem 53:7721-7 PubMed (16190623)

Compound Mean content
Anthocyanins, total 960 ┬Ámol/200 g fresh weight
Cyanidin 3-O-glucoside 4.28 mmol/kg fresh weight