A sensitive, specific and rapid LC-MS method was developed and validated for the determination of salvianolic acid D (SAlD) in rat plasma. This method used a single quadrupole mass spectrometer with an electrospray io...A sensitive, specific and rapid LC-MS method was developed and validated for the determination of salvianolic acid D (SAlD) in rat plasma. This method used a single quadrupole mass spectrometer with an electrospray ionization (ESI) source. A single ion monitoring scanning (SIM) mode was employed. it showed good linearity over the concentration range from 3.3 to 666.7 ngfint. for the determination of Sala The R.S.D.% of intra-day and inter-day precision values were no more than 7.69%, and the accuracy was within 91%-104% at all quality control Levels. This LC MS method was applied to the pharmacokinetic study of SaID in rats. A two-compartmental model analysis was employed. The plasma concentrations at 2 mm (C-2min) were 5756.06 +/- 719.61, 11,073.01 +/- 1783.46 and 21,077.58 +/- 5581.97 nit, for 0.25, 0.5 and I mg/kg intravenous injection, respectively. The peak plastna concentration (C-max) was 333.08 +/- 61.21 pg/L for 4 mg/kg oral administration. The area under curve (AUC(0-t)) was 14,384.379 +/- 8443.t84. 22,813.369 +/- 11,860.823, 46,406.122 +/- 27,592.645 and 8201.740+4711.961 mu g/L.h for intravenous injection (0.25, 0.5 and 1 mg/kg) and oral administration (4 mg/kg), respectively. The bioavailability of SalD) was calculated to be 4.159% +/- 0.517%. (C) 2015 Chinese Pharmaceutical Association and Institute of Materia IMedica, Chinese Academy of Medical Sciences. Production and hosting by Elsevier B.V.展开更多
基金supported by grants from The Key Project for Drug Innovation (No.2009ZX09102-123)National Natural Science Foundation of China (No.81102492)Major Scientific and Technological Special Project for "Significant New Drugs Creation" (Nos.2012ZX09301002001001 and 2013ZX09508104001002)
文摘A sensitive, specific and rapid LC-MS method was developed and validated for the determination of salvianolic acid D (SAlD) in rat plasma. This method used a single quadrupole mass spectrometer with an electrospray ionization (ESI) source. A single ion monitoring scanning (SIM) mode was employed. it showed good linearity over the concentration range from 3.3 to 666.7 ngfint. for the determination of Sala The R.S.D.% of intra-day and inter-day precision values were no more than 7.69%, and the accuracy was within 91%-104% at all quality control Levels. This LC MS method was applied to the pharmacokinetic study of SaID in rats. A two-compartmental model analysis was employed. The plasma concentrations at 2 mm (C-2min) were 5756.06 +/- 719.61, 11,073.01 +/- 1783.46 and 21,077.58 +/- 5581.97 nit, for 0.25, 0.5 and I mg/kg intravenous injection, respectively. The peak plastna concentration (C-max) was 333.08 +/- 61.21 pg/L for 4 mg/kg oral administration. The area under curve (AUC(0-t)) was 14,384.379 +/- 8443.t84. 22,813.369 +/- 11,860.823, 46,406.122 +/- 27,592.645 and 8201.740+4711.961 mu g/L.h for intravenous injection (0.25, 0.5 and 1 mg/kg) and oral administration (4 mg/kg), respectively. The bioavailability of SalD) was calculated to be 4.159% +/- 0.517%. (C) 2015 Chinese Pharmaceutical Association and Institute of Materia IMedica, Chinese Academy of Medical Sciences. Production and hosting by Elsevier B.V.
