Abstract：
:Bakuchicin is a furanocoumarin isolated from the seeds of Psoralea corylifolia, which is used in oriental medicine. However, limited information on the pharmacokinetics of bakuchicin is available and in addition, no determined method has been devised to quantify bakuchicin levels in the plasma. In the present study, we developed and validated a quantification method using liquid chromatography (LC) coupled with tandem mass spectrometry (LC-MS/MS), which was applied to a pharmacokinetic investigation in mouse plasma. LC was performed using an ACE 5 C18 column, and a mixture of acetonitrile and water containing 0.1% formic acid was used as the mobile phase at a flow rate of 220μL/min. Bakuchicin transition ions in multiple reaction-monitoring modes using positive ionization were observed at m/z 187.0 to m/z 131.0. Bakuchicin and the internal standard (reserpine) had retention times of 4.5 and 4.3min, respectively. Acceptable linearity (r2=0.996) was observed over the concentration range of 20-1000ng/mL, with a lower quantification limit of 20ng/mL in mouse plasma. This method was successfully applied to determine the pharmacokinetic parameters of bakuchicin in mouse plasma and showed that the bioavailability of bakuchicin was 58.3% at 5mg/kg oral administration.
journal_name
Fitoterapiajournal_title
Fitoterapiaauthors
Jo JH,Kim JH,Lee HS,Jeong GS,Lee JM,Lee Sdoi
10.1016/j.fitote.2017.06.007subject
Has Abstractpub_date
2017-07-01 00:00:00pages
194-198eissn
0367-326Xissn
1873-6971pii
S0367-326X(16)31047-4journal_volume
120pub_type
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