Showing contents of chokeberry extract in water

Kay C.D., Mazza G., Holub B.J., Wang J. (2004) Anthocyanin metabolites in human urine and serum. Br J Nutr 91:933-42 pubmed (17709440)

Compound Mean content
Cyanidin 3-O-galactoside 899 mg/20 g
Cyanidin 3-O-arabinoside 321 mg/20 g
Cyanidin 3-O-xyloside 51 mg/20 g
Cyanidin 3-O-glucoside 50 mg/20 g