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- W2377593993 abstract "To establish a revered-phase HPLC method for the study of pharmacokinetics of loganin and morroniside in Cornus officinalis injectionin mice after a single oral and intravenous administrations.The Diamonsil C18 column (4.6 mm x 250 mm, 5 microns) was used as the analytical column and the mobile phase consisted of acetonitrile-methanol-0.2% formic acid (12:8:80) with the flow rate at 1.0 mL.min-1. The UV detection was set at 237 nm.The calibration curves of loganin and morroniside were linear in the range from 0.38 to 68.25 mg.L-1(r = 0.9999), and from 0.66 to 117.22 mg.L-1(r = 0.9999), respectively. The lowest determination concentrations of loganin and morroniside were 0.10 and 0.16 mg.L-1, respectively. The recoveries and relative standard deviations of loganin were 99.6% (2.0%), 102.0% (1.0%), 87.9% (7.2%), and those of morroniside were 99.2% (2.5%), 104.1% (1.2%), 92.7% (4.2%), respectively. The relative standard deviations of within-day and between-day precision for the method were all less than 6.8%. After a single intravenous administration of Cornus officinalis injection to mice, the mean plasma concentration-time courses were found to fit a two-compartment open model, the main pharmacokinetic parameters of loganin were as follows: T1/2(alpha), T1/2(beta), K21, K12, K10, V(c), AUC, CL were 3.2 min, 25.1 min, 5.997 h-1, 4.981 h-1, 3.564 h-1, 0.551 L.kg-1, 13.59 mg.L-1.h, 1.965 L.kg-1.h-1, respectively and those of morroniside were 3.6 min, 21.5 min, 5.926 h-1, 3.833 h-1, 3.797 h-1, 0.647 L.kg-1, 27.15 mg.L-1.h, 2.457 L.kg-1.h-1, respectively.It is the first time to establish the revered-phase HPLC method to determine concentrations of loganin and morroniside in plasma and to obtain their pharmacokinetic parameters and characteristics." @default.
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- W2377593993 date "2003-06-01" @default.
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- W2377593993 title "[Studies on pharmacokinetics of loganin and morroniside in Cornus officinalis injection in mice]." @default.
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