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
Cyanidin 3-O-sophoroside 0.34 mg/12.08 mg
Cyanidin 3-O-glucosyl-rutinoside 0.48 mg/12.08 mg
Cyanidin 3-O-glucoside 2.62 mg/12.08 mg
Cyanidin 3-O-xylosyl-rutinoside 1.87 mg/12.08 mg
Cyanidin 3-O-rutinoside 6.77 mg/12.08 mg