TABLE 1

Silymarin flavonolignan pharmacokinetics

The percent extrapolation from AUC0–120 min to AUC120 mininf for the silymarin flavonolignans ranged from 0.23% to 18%. Data represent mean and S.E.M. of four rats.

AUC0–inft1/2ClVss
nmol × min/mlminml/minl
Silybin A
 Control18.1 ± 1.914.9 ± 2.441.8 ± 5.30.51 ± 0.04
 NASH27.7 ± 2.8*29.1 ± 5.817.4 ± 2.1*0.27 ± 0.03*
Silybin B
 Control33.6 ± 2.320.8 ± 2.239.4 ± 3.20.61 ± 0.06
 NASH50.2 ± 5.7*34.6 ± 4.4*17.2 ± 1.9*0.28 ± 0.04*
Silychristin
 Control105.6 ± 3.748.1 ± 11.813.2 ± 0.70.32 ± 0.01
 NASH112.4 ± 4.261.2 ± 6.67.9 ± 0.4*0.19 ± 0.01*
Silydianin
 Control11.2 ± 0.640.2 ± 4.230.5 ± 1.60.82 ± 0.05
 NASH14.8 ± 1.854.2 ± 8.515.2 ± 1.9*0.41 ± 0.06*
Isosilybin A
 Control9.6 ± 0.817.4 ± 2.946.5 ± 4.50.69 ± 0.04
 NASH19.4 ± 1.9*30.8 ± 4.4*14.6 ± 1.3*0.28 ± 0.04*
Isosilybin B
 Control9.9 ± 0.921.5 ± 2.021.6 ± 2.30.38 ± 0.03
 NASH20.1 ± 1.8*38.9 ± 8.66.8 ± 0.5*0.13 ± 0.02*
  • AUC0–inf, area under the plasma concentration-time curve from time zero to infinite time; t1/2, terminal half-life.

  • * P value ≤0.05 vs. control (unpaired t test).