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Phytomedicine. 2013 Apr 15;20(6):558-63. doi: 10.1016/j.phymed.2012.12.012. Epub 2013 Jan 23.

Pharmacokinetics, tissue distribution and excretion study of resveratrol and its prodrug 3,5,4'-tri-O-acetylresveratrol in rats.

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1
Department of Medicinal Chemistry and Pharmaceutical Analysis, School of Pharmacy, The Fourth Military Medical University, Xi'an 710032, China.

Abstract

3,5,4'-Tri-O-acetylresveratrol (TARES) synthesized by acetylating three hydroxyl groups of resveratrol (RES) is a prodrug of RES. The aim of this study was to investigate and compare the pharmacokinetics, tissue distribution and excretion of TARES and RES in rats following a single intragastric gavage (i.g.) administration. After RES is transformed into TARES, its pharmacokinetic properties are improved, such as the t1/2 has been prolonged and the AUC has been enhanced. And TARES follows linear plasma pharmacokinetics across the investigated dosage range in rats (77.5-310 mg/kg). The major distribution tissues of TARES or RES in rats were liver, spleen, heart and lung. TARES can increase the content of RES in lung significantly. There was no long-term accumulation of RES in rat tissues. Whether we administrated to rats of equimolar TARES or RES, total recoveries of RES in urine and feces within 36 h were low (0.99% or 0.07% in urine and 1.69% or 0.15% in feces).

PMID:
23351959
DOI:
10.1016/j.phymed.2012.12.012
[Indexed for MEDLINE]
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