Harada K., Kano M., Takayanagi T., Yamakawa O., Ishikawa F. (2004) Absorption of acylated anthocyanins in rats and humans after ingesting an extract of Ipomoea batatas purple sweet potato tuber. Biosci Biotechnol Biochem 68:1500-7 PubMed (15277754)

Urine analysed without enzymatic deconjugation

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Cumulative Excretion in Urine (nmol)
Number Dose Multiple Dose Duration Time (hours) Polyphenol Source
Name as described in publication
0 5 10 15 24
1 125 mL Single Dose 0 2.1 3.1 3.4 3.4
purple sweet potato beverage