Baba S., Osakabe N., Natsume M., Terao J. (2004) Orally administered rosmarinic acid is present as the conjugated and/or methylated forms in plasma, and is degraded and metabolized to conjugated forms of caffeic acid, ferulic acid and m-coumaric aci. Life Sci 75:165-78 PubMed (15120569)

Plasma analysed after enzymatic deconjugation

Plasma Concentration (┬Ámol/L)
Number Dose Multiple Dose Duration Time (hours) Polyphenol Source
Name as described in publication
0 0.5 1 2 5 12
1 50 mg/kg bw Single Dose 0 0.4 0.5 0.3 0.2 0
rosmarinic acid in deoinized water