Research Article

Effect of Micronization on Panax notoginseng: In Vitro Dissolution and In Vivo Bioavailability Evaluations

Table 5

The pharmacokinetic parameters of notoginsenosides following 540 mg/kg intragastric administration of PNP treated at different temperatures (n = 6)

NotoginsenosideSample (°C)Cmax (ng/mL)Tmax (h)t1/2 (h)MRT (h)AUC0-T (ng h/mL)AUC0-∞ (ng h/mL)

R130572.15 ± 3.005.67 ± 0.827.99 ± 3.9217.77 ± 1.707580.39 ± 1242.097716.85 ± 1259.98
401390.85 ± 652.910.54 ± 0.1049.37 ± 22.0220.35 ± 1.2713164.57 ± 1381.6825703.83 ± 5377.46
50796.67 ± 98.291.93 ± 1.266.21 ± 0.3217.27 ± 0.7512599.54 ± 1698.2413159.87 ± 1263.91
100824.20 ± 86.071.33 ± 0.5242.03 ± 27.998.62 ± 0.652580.91 ± 378.243388.29 ± 951.55

Rg1304223.25 ± 5.320.23 ± 0.054.31 ± 0.549.37 ± 1.3814825.41 ± 1107.8717920.93 ± 2148.99
404469.58 ± 2181.840.46 ± 0.1030.04 ± 13.1718.75 ± 0.9739965.99 ± 4336.0158687.93 ± 12288.43
502982.75 ± 610.152.01 ± 1.244.51 ± 0.4415.81 ± 0.9640506.20 ± 6170.4740542.23 ± 6159.83
1002665.42 ± 378.991.33 ± 0.527.13 ± 4.569.51 ± 0.8410354.88 ± 1599.7910495.51 ± 1490.15

Rb130245.16 ± 62.151.17 ± 0.418.51 ± 7.0815.60 ± 2.631951.25 ± 358.412619.71 ± 1138.15
40295.87 ± 82.180.54 ± 0.1036.26 ± 5.6122.05 ± 1.096462.73 ± 830.1414491.60 ± 7236.11
50381.11 ± 158.242.67 ± 1.0321.15 ± 13.7821.15 ± 1.299138.96 ± 3314.6924329.15 ± 14404.06
100345.88 ± 51.9110.17 ± 4.4935.85 ± 15.8414.49 ± 6.226103.76 ± 328.869846.49 ± 1855.47

Sample 30, 40, 50, and 100°C correspond to the PNP treated at different hydrothermal temperatures. , , versus 100°C.