TABLE 5

Excretion of major metabolites in rat bile after oral administration of S-7-G

Three rats were orally administered S-7-G at a dose of 75 mg/kg, and bile was collected over the 30-h period after dose.

MetaboliteExcretion AmountPercentage
No. 1No. 2No. 3Average
μg%
Glucuronide conjugate (M2)728575366413707855.0
S-7-G (M0-1)367937313399360328.0
Methylated M0 (M4)6116347986815.30
S-6-G (M0-2)6077016716605.13
Glucose conjugate (M3)5957494726054.71
S (M1)1623401052021.57
Methylated aglycone (M5)27.831.927.028.90.224
Total excretion12968137231188512859
Recovery of dose (%)45.144.642.844.2