Research Article Evaluation of Analgesic Activity of the Methanol Extract from the Galls of Quercus infectoria (Olivier) in Rats

Copyright © 2014 Sook-Ha Fan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The present study aims to investigate the analgesic activity of the methanol extract of the galls of Quercus infectoria in rats using hot plate and tail-flick methods. The extract was administered intraperitoneally at a dose of 20mg/kg while morphine sulfate and sodium salicylate (10mg/kg) served as standards.Themethanol extract exhibited significant analgesic activity in the tail-flickmodel