Figure 2. Time-dependent appearance of the polyphenol compounds and their metabolites in plasma after oral administration to rat.
(A) apigenin, glucuronidated apigenin and sulphated apigenin, (B) resveratrol, glucuronidated resveratrol and sulphated resveratrol, (C) emodin, glucuronidated emodin and sulphated emodin, (D) chrysophanol, glucuronidated chrysophanol and sulphated chrysophanol, (mean ± SD, n = 6). (•) Parent polyphenols, (▪) glucuronidated polyphenols, (▴) sulphated polyphenols.