Table 2. Pharmacokinetic Parameters of Equol Metabolites from a Single Oral Gavage of Dietary Daidzein Administered to Ovariectomized Rats (n = 4–6 Pairs)a.
| metabolite | tmax (h) | Cmax (nM) | AUC0–24 (nM·h) |
|---|---|---|---|
| total equol | 20.67 ± 4.67 | 3682 ± 2675 | 24346 ± 8778 |
| unconjugated equol | 20.00 ± 4.90 | 1.21 ± 0.64 | 9.34 ± 8.43 |
| equol monosulfate | 20.00 ± 3.27 | 3.15 ± 3.04 | 19.16 ± 17.76 |
| equol glucuronides | 20.67 ± 4.67 | 3349 ± 2799 | 22438 ± 9907 |
Values are means ± SD. Pharmacokinetic parameters: tmax (time of maximum concentration), Cmax (maximum concentration), AUC0–24 (area under plasma concentration time curve from 0 to 24 h).