Jaganath I.B., Mullen W., Edwards C.A., Crozier A. (2006) The relative contribution of the small and large intestine to the absorption and metabolism of rutin in man. Free Radic Res 40:1035-46 PubMed (17015248)

Compound Mean content
Quercetin 3-O-rutinoside 7.3 mg/300 ml