Dried powder of aerial root of V. roxburghii was extracted with methanol (VRM) and the resultant was
fractionated into petroleum ether (VRP), chloroform (VRC), ethyl acetate (VRE), and residual aqueous fraction (VRA).
The antinociceptive effect of the extracts was evaluated in mice using acetic acid-induced writhing, formalin
injection, and hot plate tests. The brine shrimp lethality bioassay in vitro was used to evaluate cytotoxic activity of
the plant extracts.