TABLE 2

Pharmacokinetic data of berberine in rat blood, liver, and bile dialysate after i.v. administration of berberine (10 mg kg-1) alone and with quinidine (10 mg kg-1), SKF-525A (10 mg kg-1), or probenecid (100 mg kg-1) Data are expressed as means ± S.E.M. from six individual experiments for each treatment group.


Treatment

AUC

CL

t1/2

AUCliver or bile/AUCblood
min μg ml-1 ml kg-1 min-1 min
Blood
   Berberine, 10 mg kg-1 265.4 ± 44.0 43.7 ± 7.6 15.5 ± 3.2
      +Quinidine, 10 mg kg-1 342.6 ± 29.6 30.8 ± 3.8 23.2 ± 3.6
      +SKF-525A, 10 mg kg-1 322.6 ± 42.6 32.5 ± 3.9 18.9 ± 3.8
      +Probenecid, 100 mg kg-1 167.8 ± 18.3 56.6 ± 4.9a 21.6 ± 3.7
Liver
   Berberine, 10 mg kg-1 47.4 ± 4.5 0.18 ± 0.03
      +SKF-525A, 10 mg kg-1 126.8 ± 14.9a 0.56 ± 0.05a
Bile
   Berberine, 10 mg kg-1 1470 ± 134 6.6 ± 1.6
      +Quinidine, 10 mg kg-1 n.c n.c.
      +SKF-525A, 10 mg kg-1 3526 ± 163a 11.6 ± 1.5a
      +Probenecid, 100 mg kg-1
1376 ± 147


8.8 ± 1.3
  • n.c., not calculable.

  • a p < 0.05 compared with the 10 mg kg-1 berberine-alone group