McGhie T.K., Ainge G.D., Barnett L.E., Cooney J.M., Jensen D.J. (2003) Anthocyanin glycosides from berry fruit are absorbed and excreted unmetabolized by both humans and rats. J Agric Food Chem 51:4539-48 PubMed (14705874)

Compound Mean content
Delphinidin 3-O-glucoside 17.2 mg/188.5 mg
Delphinidin 3-O-rutinoside 72.2 mg/188.5 mg
Cyanidin 3-O-glucoside 13 mg/188.5 mg
Cyanidin 3-O-rutinoside 85.8 mg/188.5 mg