Research Article

Comparison of Pharmacokinetics and Tissue Distribution Characteristics of Three Diterpenoid Esters in Crude and Prepared Semen Euphorbiae

Table 9

Main pharmacokinetic parameters of the three analytes in the plasma of rats after the oral administration of SE or SEP extract (n = 6).

DataEuphorbia factor L1Euphorbia factor L2Euphorbia factor L3
SESEPSESEPSESEP

AUC (0-t) (μg·h·L−1)1703.73 ± 554.181391.45 ± 663.034391.97 ± 1596.693192.79 ± 1409.026381.91 ± 1428.344100.05 ± 1741.94
AUC (0-∞) (μg·h·L−1)2883.63 ± 2458.811416.66 ± 662.135382.56 ± 1370.293230.99 ± 1415.469463.33 ± 6415.464208.31 ± 1769.18
MRT (0-t) (h)17.80 ± 2.1616.78 ± 3.5617.04 ± 4.1815.71 ± 2.1818.83 ± 2.3316.10 ± 2.56
MRT (0-∞) (h)22.57 ± 3.8717.79 ± 3.9221.73 ± 4.3116.29 ± 2.4224.47 ± 7.5117.50 ± 3.27
T1/2z (h)9.53 ± 6.438.42 ± 2.679.57 ± 4.327.42 ± 1.059.35 ± 4.918.46 ± 2.19
Tmax (h)11.33 ± 1.636.67 ± 2.0711.33 ± 1.638.00 ± 2.5311.33 ± 1.638.00 ± 2.53
Vz/F (L·kg−1)220467.01 ± 146342.43345882.41 ± 248756.7385495.40 ± 51708.11117516.85 ± 57982.3061277.19 ± 49305.43108497.33 ± 83949.46
CLz/F L·(h·kg−1)15457.44 ± 8978.2327871.15 ± 18174.365927.25 ± 1697.0410922.36 ± 5049.213993.88 ± 1591.838591.23 ± 4521.52
Cmax (μg·L−1)102.68 ± 34.7591.39 ± 47.39281.32 ± 105.93218.53 ± 111.66381.33 ± 139.59327.20 ± 147.33

SE group compared with SEP group, , ∗∗.