Research Article

Determination of Tenacissoside G, Tenacissoside H, and Tenacissoside I in Rat Plasma by UPLC-MS/MS and Their Pharmacokinetics

Table 3

Main pharmacokinetic parameters after intravenous (IV, 1 mg/kg) and oral (PO, 5 mg/kg) administration of tenacissoside G, tenacissoside H, and tenacissoside I in rats.

CompoundGroupAUC(0-t) (ng/mL·h)AUC(0-∞) (ng/mL·h)t1/2z (h)CLz/F (L/h/kg)Vz/F (L/kg)Cmax (ng/mL)

Tenacissoside Gpo2037.0 ± 630.42046.0 ± 639.20.9 ± 0.32.7 ± 0.93.6 ± 1.6900.2 ± 246.3
iv1778.5 ± 419.61801.4 ± 418.20.8 ± 0.30.6 ± 0.20.7 ± 0.31137.1 ± 386.1

Tenacissoside Hpo1336.5 ± 146.11359.8 ± 127.71.8 ± 0.610.1 ± 4.0325.5 ± 18.21336.5 ± 146.1
iv361.2 ± 35.7364.6 ± 36.51.3 ± 0.15.0 ± 0.5303.7 ± 30.9361.2 ± 35.7

Tenacissoside Ipo113.0 ± 8.5116.9 ± 9.91.1 ± 0.343.0 ± 3.869.6 ± 16.060.3 ± 7.7
iv239.5 ± 28.9240.3 ± 28.80.7 ± 0.14.2 ± 0.64.3 ± 0.8225.8 ± 52.4