Pharmacokinetic studies of quercetin-hydroxypropyl-beta-cyclodextrin inclusion compound in rats
Abstract
To estabilish a HPLC method for determination of quercetin-hydroxypropyl-beta-cyclodextrin in rats plasma and investigate the pharmacokinetics characteristics of it in rats. The plasma was extracted with methanol-aceitc acid (9:1). The mobile phase was acetonitrilewater. Absorbance of the effluence was monitored at 360 nm. The linear limit of quercetin was within the range of 1 to 150 microg/ml. The lowest limit of quercetin was 0.5 microg/ml. The concentration-time curve of quercetin in rats was considered of a two-compartment open model, and the t1/2 (beta) of the inclusion compound when ig is 2.220 h, the t1/2 (beta) of the inclusion compound when iv is 90.871 min.
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